tag:digital.library.illinois.edu,2005:/items/99198260-82d4-0134-1f08-0050569601ca-1Kentucky-Illinois Golconda quadrangle : topography2022-09-15T18:31:27Ztag:digital.library.illinois.edu,2005:Item/668852016-11-15T17:24:40Z2022-09-15T18:31:27ZKentucky-Illinois Golconda quadrangle : topographyRelief shown by contours and spot heights.University of Illinois at Urbana-Champaign Library