| Notes | - 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.
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