{"@context":"http://iiif.io/api/presentation/2/context.json","@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7/manifest","@type":"sc:Manifest","label":"Survey of Mississippi River atlas","metadata":[{"label":"Title","value":"Survey of Mississippi River atlas"},{"label":"Alternative Title","value":["House documents. Vol. 2.","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","United States Congress (61st, 1st session, 1909). House doc. no. 50"]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","Relief shown by contours and spot heights; depths shown by soundings.","Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois."]},{"label":"Coverage-Spatial","value":"Mississippi River"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"description":"1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent.","thumbnail":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6406c0a0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!256,256/0/default.jpg","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6406c0a0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/level2.json"}},"service":[{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6406c0a0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/level2.json"}],"logo":"https://digital.library.illinois.edu/assets/Illinois-Logo-Reversed-Orange-RGB-100-4dc138603db54952c91732afd189efd828ba543796a2ab0f9a81afcf2b308b27.png","related":{"@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7","format":"text/html"},"seeAlso":[{"@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7.json","format":"application/json"},{"@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7.atom","format":"application/atom+xml"}],"viewingDirection":"left-to-right","viewingHint":"paged","navDate":"1909-01-01T06:00:00Z","license":"https://rightsstatements.org/page/NoC-US/1.0/","attribution":"No Copyright - United States","within":{"@id":"https://digital.library.illinois.edu/collections/dfdb9e40-41f2-0137-6c50-02d0d7bfd6e4-1/iiif","format":"application/json"},"sequences":[{"@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7/sequence/page","@type":"sc:Sequence","label":"Pages","viewingHint":"paged","canvases":[{"@id":"https://digital.library.illinois.edu/items/6e52ca20-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Title Page","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Title Page"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e52ca20-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6406c0a0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6406c0a0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e52ca20-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dbfd710-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 1","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 1"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dbfd710-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6368c300-9792-0137-6ddc-02d0d7bfd6e4-8/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6368c300-9792-0137-6ddc-02d0d7bfd6e4-8","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dbfd710-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dc30060-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1","@type":"sc:Canvas","label":"Plate 2","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 2"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dc30060-9792-0137-6ddc-02d0d7bfd6e4-4/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/636c4b50-9792-0137-6ddc-02d0d7bfd6e4-2/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/636c4b50-9792-0137-6ddc-02d0d7bfd6e4-2","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dc30060-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dc560a0-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 3","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 3"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dc560a0-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/636f1d70-9792-0137-6ddc-02d0d7bfd6e4-9/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/636f1d70-9792-0137-6ddc-02d0d7bfd6e4-9","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dc560a0-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dc95a70-9792-0137-6ddc-02d0d7bfd6e4-c/canvas/canvas1","@type":"sc:Canvas","label":"Plate 4","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 4"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dc95a70-9792-0137-6ddc-02d0d7bfd6e4-c/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/637184b0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/637184b0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dc95a70-9792-0137-6ddc-02d0d7bfd6e4-c/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dcc5420-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1","@type":"sc:Canvas","label":"Plate 5","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 5"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dcc5420-9792-0137-6ddc-02d0d7bfd6e4-8/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6373d080-9792-0137-6ddc-02d0d7bfd6e4-f/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6373d080-9792-0137-6ddc-02d0d7bfd6e4-f","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dcc5420-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dd1ee00-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1","@type":"sc:Canvas","label":"Plate 6","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 6"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dd1ee00-9792-0137-6ddc-02d0d7bfd6e4-2/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/637634d0-9792-0137-6ddc-02d0d7bfd6e4-6/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/637634d0-9792-0137-6ddc-02d0d7bfd6e4-6","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dd1ee00-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dd51030-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1","@type":"sc:Canvas","label":"Plate 7","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 7"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dd51030-9792-0137-6ddc-02d0d7bfd6e4-1/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6378a430-9792-0137-6ddc-02d0d7bfd6e4-4/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6378a430-9792-0137-6ddc-02d0d7bfd6e4-4","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dd51030-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dd782f0-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 8","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 8"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dd782f0-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/637b02a0-9792-0137-6ddc-02d0d7bfd6e4-5/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/637b02a0-9792-0137-6ddc-02d0d7bfd6e4-5","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dd782f0-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dda3690-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1","@type":"sc:Canvas","label":"Plate 9","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 9"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dda3690-9792-0137-6ddc-02d0d7bfd6e4-2/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/637d88e0-9792-0137-6ddc-02d0d7bfd6e4-8/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/637d88e0-9792-0137-6ddc-02d0d7bfd6e4-8","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dda3690-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6ddcdf80-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1","@type":"sc:Canvas","label":"Plate 10","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 10"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6ddcdf80-9792-0137-6ddc-02d0d7bfd6e4-2/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63809db0-9792-0137-6ddc-02d0d7bfd6e4-a/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63809db0-9792-0137-6ddc-02d0d7bfd6e4-a","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6ddcdf80-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6ddf3690-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1","@type":"sc:Canvas","label":"Plate 11","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 11"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6ddf3690-9792-0137-6ddc-02d0d7bfd6e4-8/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63832730-9792-0137-6ddc-02d0d7bfd6e4-0/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63832730-9792-0137-6ddc-02d0d7bfd6e4-0","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6ddf3690-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6de194a0-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1","@type":"sc:Canvas","label":"Plate 12","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 12"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6de194a0-9792-0137-6ddc-02d0d7bfd6e4-1/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6385e480-9792-0137-6ddc-02d0d7bfd6e4-1/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6385e480-9792-0137-6ddc-02d0d7bfd6e4-1","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6de194a0-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6de3d2d0-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1","@type":"sc:Canvas","label":"Plate 13","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 13"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6de3d2d0-9792-0137-6ddc-02d0d7bfd6e4-a/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6388c4b0-9792-0137-6ddc-02d0d7bfd6e4-9/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6388c4b0-9792-0137-6ddc-02d0d7bfd6e4-9","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6de3d2d0-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6de62650-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1","@type":"sc:Canvas","label":"Plate 14","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 14"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6de62650-9792-0137-6ddc-02d0d7bfd6e4-f/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/638b9220-9792-0137-6ddc-02d0d7bfd6e4-3/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/638b9220-9792-0137-6ddc-02d0d7bfd6e4-3","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6de62650-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6de86e00-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1","@type":"sc:Canvas","label":"Plate 15","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 15"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6de86e00-9792-0137-6ddc-02d0d7bfd6e4-a/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/638e8840-9792-0137-6ddc-02d0d7bfd6e4-f/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/638e8840-9792-0137-6ddc-02d0d7bfd6e4-f","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6de86e00-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6deaf8b0-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 16","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 16"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6deaf8b0-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6390f240-9792-0137-6ddc-02d0d7bfd6e4-1/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6390f240-9792-0137-6ddc-02d0d7bfd6e4-1","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6deaf8b0-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6deda1e0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1","@type":"sc:Canvas","label":"Plate 17","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 17"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6deda1e0-9792-0137-6ddc-02d0d7bfd6e4-9/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/6393b8f0-9792-0137-6ddc-02d0d7bfd6e4-7/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/6393b8f0-9792-0137-6ddc-02d0d7bfd6e4-7","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6deda1e0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6defe0d0-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1","@type":"sc:Canvas","label":"Plate 18","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 18"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6defe0d0-9792-0137-6ddc-02d0d7bfd6e4-4/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/639b01d0-9792-0137-6ddc-02d0d7bfd6e4-2/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/639b01d0-9792-0137-6ddc-02d0d7bfd6e4-2","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6defe0d0-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6df260a0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1","@type":"sc:Canvas","label":"Plate 19","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 19"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6df260a0-9792-0137-6ddc-02d0d7bfd6e4-9/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/639e36f0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/639e36f0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6df260a0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6df4b5e0-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1","@type":"sc:Canvas","label":"Plate 20","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 20"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6df4b5e0-9792-0137-6ddc-02d0d7bfd6e4-2/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63a0cf10-9792-0137-6ddc-02d0d7bfd6e4-b/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63a0cf10-9792-0137-6ddc-02d0d7bfd6e4-b","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6df4b5e0-9792-0137-6ddc-02d0d7bfd6e4-2/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dfa93c0-9792-0137-6ddc-02d0d7bfd6e4-d/canvas/canvas1","@type":"sc:Canvas","label":"Plate 21","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 21"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dfa93c0-9792-0137-6ddc-02d0d7bfd6e4-d/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63a37e20-9792-0137-6ddc-02d0d7bfd6e4-b/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63a37e20-9792-0137-6ddc-02d0d7bfd6e4-b","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dfa93c0-9792-0137-6ddc-02d0d7bfd6e4-d/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dfd05c0-9792-0137-6ddc-02d0d7bfd6e4-c/canvas/canvas1","@type":"sc:Canvas","label":"Plate 22","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 22"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dfd05c0-9792-0137-6ddc-02d0d7bfd6e4-c/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63a66cc0-9792-0137-6ddc-02d0d7bfd6e4-0/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63a66cc0-9792-0137-6ddc-02d0d7bfd6e4-0","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dfd05c0-9792-0137-6ddc-02d0d7bfd6e4-c/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6dffa460-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 23","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 23"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6dffa460-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63a96bf0-9792-0137-6ddc-02d0d7bfd6e4-8/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63a96bf0-9792-0137-6ddc-02d0d7bfd6e4-8","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6dffa460-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e027be0-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1","@type":"sc:Canvas","label":"Plate 24","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 24"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e027be0-9792-0137-6ddc-02d0d7bfd6e4-a/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63ac1000-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63ac1000-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e027be0-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e04f470-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1","@type":"sc:Canvas","label":"Plate 25","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 25"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e04f470-9792-0137-6ddc-02d0d7bfd6e4-4/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63ae8af0-9792-0137-6ddc-02d0d7bfd6e4-e/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63ae8af0-9792-0137-6ddc-02d0d7bfd6e4-e","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e04f470-9792-0137-6ddc-02d0d7bfd6e4-4/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e077df0-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1","@type":"sc:Canvas","label":"Plate 26","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 26"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e077df0-9792-0137-6ddc-02d0d7bfd6e4-b/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63b0e270-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63b0e270-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e077df0-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e09c800-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1","@type":"sc:Canvas","label":"Plate 27","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 27"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e09c800-9792-0137-6ddc-02d0d7bfd6e4-a/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63b31570-9792-0137-6ddc-02d0d7bfd6e4-e/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63b31570-9792-0137-6ddc-02d0d7bfd6e4-e","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e09c800-9792-0137-6ddc-02d0d7bfd6e4-a/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e0c6400-9792-0137-6ddc-02d0d7bfd6e4-3/canvas/canvas1","@type":"sc:Canvas","label":"Plate 28","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 28"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e0c6400-9792-0137-6ddc-02d0d7bfd6e4-3/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63b55ed0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63b55ed0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e0c6400-9792-0137-6ddc-02d0d7bfd6e4-3/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e0ed7b0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1","@type":"sc:Canvas","label":"Plate 29","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 29"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e0ed7b0-9792-0137-6ddc-02d0d7bfd6e4-7/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63b81c90-9792-0137-6ddc-02d0d7bfd6e4-2/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63b81c90-9792-0137-6ddc-02d0d7bfd6e4-2","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e0ed7b0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e11a280-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1","@type":"sc:Canvas","label":"Plate 30","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 30"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e11a280-9792-0137-6ddc-02d0d7bfd6e4-1/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63baec00-9792-0137-6ddc-02d0d7bfd6e4-a/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63baec00-9792-0137-6ddc-02d0d7bfd6e4-a","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e11a280-9792-0137-6ddc-02d0d7bfd6e4-1/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e145040-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1","@type":"sc:Canvas","label":"Plate 31","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 31"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e145040-9792-0137-6ddc-02d0d7bfd6e4-8/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63be2db0-9792-0137-6ddc-02d0d7bfd6e4-1/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63be2db0-9792-0137-6ddc-02d0d7bfd6e4-1","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e145040-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e16c7a0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1","@type":"sc:Canvas","label":"Plate 32","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 32"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e16c7a0-9792-0137-6ddc-02d0d7bfd6e4-9/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63c22fd0-9792-0137-6ddc-02d0d7bfd6e4-3/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63c22fd0-9792-0137-6ddc-02d0d7bfd6e4-3","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e16c7a0-9792-0137-6ddc-02d0d7bfd6e4-9/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e190700-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1","@type":"sc:Canvas","label":"Plate 33","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 33"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e190700-9792-0137-6ddc-02d0d7bfd6e4-8/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63c5b9f0-9792-0137-6ddc-02d0d7bfd6e4-e/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63c5b9f0-9792-0137-6ddc-02d0d7bfd6e4-e","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e190700-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e1b5db0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1","@type":"sc:Canvas","label":"Plate 34","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 34"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e1b5db0-9792-0137-6ddc-02d0d7bfd6e4-7/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63c96740-9792-0137-6ddc-02d0d7bfd6e4-a/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63c96740-9792-0137-6ddc-02d0d7bfd6e4-a","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e1b5db0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e1d9300-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1","@type":"sc:Canvas","label":"Plate 35","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 35"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e1d9300-9792-0137-6ddc-02d0d7bfd6e4-f/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63cc06d0-9792-0137-6ddc-02d0d7bfd6e4-3/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63cc06d0-9792-0137-6ddc-02d0d7bfd6e4-3","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e1d9300-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e21ea50-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 36","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 36"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e21ea50-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63ce6990-9792-0137-6ddc-02d0d7bfd6e4-6/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63ce6990-9792-0137-6ddc-02d0d7bfd6e4-6","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e21ea50-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e249c00-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 37","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 37"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e249c00-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63d0e040-9792-0137-6ddc-02d0d7bfd6e4-2/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63d0e040-9792-0137-6ddc-02d0d7bfd6e4-2","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e249c00-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e279970-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1","@type":"sc:Canvas","label":"Plate 38","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 38"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e279970-9792-0137-6ddc-02d0d7bfd6e4-7/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63d33680-9792-0137-6ddc-02d0d7bfd6e4-7/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63d33680-9792-0137-6ddc-02d0d7bfd6e4-7","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e279970-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e2a05a0-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1","@type":"sc:Canvas","label":"Plate 39","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 39"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e2a05a0-9792-0137-6ddc-02d0d7bfd6e4-f/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63d5ee80-9792-0137-6ddc-02d0d7bfd6e4-7/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63d5ee80-9792-0137-6ddc-02d0d7bfd6e4-7","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e2a05a0-9792-0137-6ddc-02d0d7bfd6e4-f/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e2c5bb0-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1","@type":"sc:Canvas","label":"Plate 40","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 40"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e2c5bb0-9792-0137-6ddc-02d0d7bfd6e4-8/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63d849f0-9792-0137-6ddc-02d0d7bfd6e4-d/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63d849f0-9792-0137-6ddc-02d0d7bfd6e4-d","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e2c5bb0-9792-0137-6ddc-02d0d7bfd6e4-8/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e2ea300-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1","@type":"sc:Canvas","label":"Plate 41","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 41"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e2ea300-9792-0137-6ddc-02d0d7bfd6e4-b/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63daea00-9792-0137-6ddc-02d0d7bfd6e4-c/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63daea00-9792-0137-6ddc-02d0d7bfd6e4-c","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e2ea300-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e33ba40-9792-0137-6ddc-02d0d7bfd6e4-d/canvas/canvas1","@type":"sc:Canvas","label":"Plate 42","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 42"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e33ba40-9792-0137-6ddc-02d0d7bfd6e4-d/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63e14b30-9792-0137-6ddc-02d0d7bfd6e4-3/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63e14b30-9792-0137-6ddc-02d0d7bfd6e4-3","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e33ba40-9792-0137-6ddc-02d0d7bfd6e4-d/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e36ca40-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 43","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 43"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e36ca40-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63e3e240-9792-0137-6ddc-02d0d7bfd6e4-7/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63e3e240-9792-0137-6ddc-02d0d7bfd6e4-7","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e36ca40-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e39bfc0-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 44","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 44"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e39bfc0-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63e67660-9792-0137-6ddc-02d0d7bfd6e4-e/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63e67660-9792-0137-6ddc-02d0d7bfd6e4-e","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e39bfc0-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e3c23b0-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1","@type":"sc:Canvas","label":"Plate 45","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 45"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e3c23b0-9792-0137-6ddc-02d0d7bfd6e4-b/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63e947e0-9792-0137-6ddc-02d0d7bfd6e4-0/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63e947e0-9792-0137-6ddc-02d0d7bfd6e4-0","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e3c23b0-9792-0137-6ddc-02d0d7bfd6e4-b/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e3e6140-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 46","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 46"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e3e6140-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63ebded0-9792-0137-6ddc-02d0d7bfd6e4-5/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63ebded0-9792-0137-6ddc-02d0d7bfd6e4-5","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e3e6140-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e40b210-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1","@type":"sc:Canvas","label":"Plate 47","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 47"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e40b210-9792-0137-6ddc-02d0d7bfd6e4-6/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63eef430-9792-0137-6ddc-02d0d7bfd6e4-c/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63eef430-9792-0137-6ddc-02d0d7bfd6e4-c","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e40b210-9792-0137-6ddc-02d0d7bfd6e4-6/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e433930-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1","@type":"sc:Canvas","label":"Plate 48","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 48"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e433930-9792-0137-6ddc-02d0d7bfd6e4-7/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63f4e580-9792-0137-6ddc-02d0d7bfd6e4-a/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63f4e580-9792-0137-6ddc-02d0d7bfd6e4-a","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e433930-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e4633a0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1","@type":"sc:Canvas","label":"Plate 49","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 49"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e4633a0-9792-0137-6ddc-02d0d7bfd6e4-7/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63f976c0-9792-0137-6ddc-02d0d7bfd6e4-0/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63f976c0-9792-0137-6ddc-02d0d7bfd6e4-0","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e4633a0-9792-0137-6ddc-02d0d7bfd6e4-7/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e497440-9792-0137-6ddc-02d0d7bfd6e4-0/canvas/canvas1","@type":"sc:Canvas","label":"Plate 50","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 50"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e497440-9792-0137-6ddc-02d0d7bfd6e4-0/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/63fc05d0-9792-0137-6ddc-02d0d7bfd6e4-2/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/63fc05d0-9792-0137-6ddc-02d0d7bfd6e4-2","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e497440-9792-0137-6ddc-02d0d7bfd6e4-0/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e4be490-9792-0137-6ddc-02d0d7bfd6e4-0/canvas/canvas1","@type":"sc:Canvas","label":"Plate 51","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 51"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e4be490-9792-0137-6ddc-02d0d7bfd6e4-0/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/64008b80-9792-0137-6ddc-02d0d7bfd6e4-8/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/64008b80-9792-0137-6ddc-02d0d7bfd6e4-8","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e4be490-9792-0137-6ddc-02d0d7bfd6e4-0/canvas/canvas1"}]},{"@id":"https://digital.library.illinois.edu/items/6e4e5f70-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1","@type":"sc:Canvas","label":"Plate 52","height":1200,"width":1200,"metadata":[{"label":"Title","value":"Plate 52"},{"label":"Alternative Title","value":["United States Congress (61st, 1st session, 1909). House doc. no. 50","Atlas illustrating report of March 20, 1909, of Board on Examination and Survey of Mississippi River, created by act of Congress approved March 2, 1907","House documents. Vol. 2."]},{"label":"Creator","value":"Board on Examination and Survey of Mississippi River (U.S.)"},{"label":"Place of Publication","value":"Washington (D.C.)"},{"label":"Publisher","value":"United States. Government Printing Office"},{"label":"Date of Publication","value":"1909"},{"label":"Extent","value":"52 plates on 104 leaves"},{"label":"Dimensions","value":"64 cm"},{"label":"Notes","value":["Covers Mississippi River between St. Louis, Missouri, and Cairo, Illinois.","Relief shown by contours and spot heights; depths shown by soundings.","At head of contents plate title: 61st Congress. 1st session. March 15-August 5, 1909.","1. Map showing the proposed deep waterway between Lake Michigan and Gulf of Mexico; and general map showing projects for improvement between St. Louis and Cairo -- 2. Curves showing discharge of Mississippi River at St. Louis and average duration of stages; Curves showing relations of river stage to bar heights and depths limiting navigation in the Mississippi River between St. Louis and Cairo -- 3-19. Mississippi River ..., in 17 charts, illustrating project for complete regulation of the river between St. Louis and Cairo; Map, profile and cross sections of typical stretch of Mississippi River between Turkey Island and Kaskaskia Island [inset on plate 9] -- 20-22. Profile of the Mississippi River ..., showing flood planes, low-water plane, river bottom and bed rock, 1909 -- 23-39. Mississippi River ..., in 17 charts, illustrating projects for slackwater and lateral canal systems between St. Louis, Mo., and Cairo, Ill. -- 40-42. Profile ..., in three sheets, showing slackwater project for a 14-foot waterway -- 43-45. Profile ..., in three sheets, showing canal project for a 14-foot waterway -- 46. Profile of Mississippi River, St. Louis, Mo., to the Gulf of Mexico, showing river bed, high and low water slopes and extreme stages, referred to mean Gulf level -- 47. Profile ..., showing flood planes, low-water plane, river bottoms and bed rock, 1909 -- 48. Hydrographs of the Mississippi River, St. Louis, Mo., showing extreme and daily stages, January, 1861, to December 31, 1908 -- 49. Comprehensive hydrographs of the Mississippi River between the Illinois and Ohio rivers and of the lower sections of the Missouri and Ohio rivers, 1871-1908 -- 50. Hydrographs of the Mississippi River from St. Louis, Mo., to Cairo, Ill., for the year ending June 30, 1908 -- 51. Typical cross sections of the Mississippi River between St. Louis, Mo., and Cairo, Ill., in wide, medium, and narrow reaches -- 52. Mean discharge curves of the Mississippi River at St Louis, Mo., 1880-81 and 1900-04; Caving banks from Cairo to Donaldsonville, 1877-83 to 1892, showing graphically the annual volume of caving per mile of river considered in sections of ten miles; Caving banks of the Mississippi River between Cairo, Ill., and the mouth of Red River, La., showing their extent."]},{"label":"Coverage-Spatial","value":"Mississippi River Valley"},{"label":"Language","value":"English"},{"label":"Subject","value":"Hydrographic surveying"},{"label":"Genre","value":"Maps"},{"label":"Volume","value":"Vol. 2"},{"label":"Rights","value":"No Copyright - United States"},{"label":"Type","value":"Cartographic material"},{"label":"Repository","value":"Map Library"},{"label":"Local Bib ID","value":"872957"},{"label":"Collection Title","value":"River Maps"}],"images":[{"@type":"oa:Annotation","@id":"https://digital.library.illinois.edu/items/6e4e5f70-9792-0137-6ddc-02d0d7bfd6e4-e/annotation/access","motivation":"sc:painting","resource":{"@id":"https://images.digital.library.illinois.edu/iiif/2/64035950-9792-0137-6ddc-02d0d7bfd6e4-c/full/!1000,1000/0/default.jpg","@type":"dctypes:Image","format":"image/jp2","service":{"@context":"http://iiif.io/api/image/2/context.json","@id":"https://images.digital.library.illinois.edu/iiif/2/64035950-9792-0137-6ddc-02d0d7bfd6e4-c","profile":"http://iiif.io/api/image/2/profiles/level2.json"},"height":null,"width":null},"on":"https://digital.library.illinois.edu/items/6e4e5f70-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"}]}]}],"structures":[{"@id":"https://digital.library.illinois.edu/items/4be540f0-9792-0137-6ddc-02d0d7bfd6e4-7/range/range1","@type":"sc:Range","label":"Title Page","canvases":["https://digital.library.illinois.edu/items/6e52ca20-9792-0137-6ddc-02d0d7bfd6e4-e/canvas/canvas1"]}]}