tag:digital.library.illinois.edu,2005:/items/9fbd05d0-994e-0134-2096-0050569601ca-c
Illinois-Iowa, Lomax quadrangle
2022-09-15T18:31:49Z
tag:digital.library.illinois.edu,2005:Item/69953
2016-11-30T19:19:29Z
2022-09-15T18:31:49Z
Illinois-Iowa, Lomax quadrangle
Contour interval 10 feet.
University of Illinois at Urbana-Champaign Library