tag:digital.library.illinois.edu,2005:/items/a29da750-994e-0134-2096-0050569601ca-2Illinois (Jo Daviess County), Elizabeth quadrangle : topography2022-09-15T18:31:52Ztag:digital.library.illinois.edu,2005:Item/700172016-11-30T19:19:52Z2022-09-15T18:31:52ZIllinois (Jo Daviess County), Elizabeth quadrangle : topographyContour interval 20 feet.University of Illinois at Urbana-Champaign Library