tag:digital.library.illinois.edu,2005:/items/96f36620-82d4-0134-1f08-0050569601ca-5Illinois, Coulterville quadrangle : topography2022-09-15T18:31:21Ztag:digital.library.illinois.edu,2005:Item/668042016-11-15T17:24:25Z2022-09-15T18:31:21ZIllinois, Coulterville quadrangle : topographyRelief indicated by contours and spot heights.University of Illinois at Urbana-Champaign Library