tag:digital.library.illinois.edu,2005:/items/a0b93cc0-994e-0134-2096-0050569601ca-1
Illinois, Meredosia quadrangle
2022-09-15T18:31:50Z
tag:digital.library.illinois.edu,2005:Item/69980
2016-11-30T19:19:42Z
2022-09-15T18:31:50Z
Illinois, Meredosia quadrangle
Contour interval 20 feet.
University of Illinois at Urbana-Champaign Library