tag:digital.library.illinois.edu,2005:/items/953a52e0-82d4-0134-1f08-0050569601ca-1Illinois, Good Hope quadrangle : topography2022-09-15T18:31:20Ztag:digital.library.illinois.edu,2005:Item/667842016-11-15T17:24:17Z2022-09-15T18:31:20ZIllinois, Good Hope quadrangle : topographyContour interval 20 feet.University of Illinois at Urbana-Champaign Library