tag:digital.library.illinois.edu,2005:/items/a85d84b0-994e-0134-2096-0050569601ca-b
Mendota quadrangle, Illinois : 15 minute series
2022-09-15T18:31:57Z
tag:digital.library.illinois.edu,2005:Item/70127
2016-11-30T19:20:27Z
2022-09-15T18:31:57Z
Mendota quadrangle, Illinois : 15 minute series
Contour interval 10 feet.
University of Illinois at Urbana-Champaign Library