tag:digital.library.illinois.edu,2005:/items/a077e780-994e-0134-2096-0050569601ca-eIllinois-Indiana-Kentucky, New Haven quadrangle : topography2022-09-15T18:31:50Ztag:digital.library.illinois.edu,2005:Item/699732016-11-30T19:19:39Z2022-09-15T18:31:50ZIllinois-Indiana-Kentucky, New Haven quadrangle : topographyContour interval 20 feet.University of Illinois at Urbana-Champaign Library