tag:digital.library.illinois.edu,2005:/items/94881d90-82d4-0134-1f08-0050569601ca-4
Iowa-Illinois, Goose Lake sheet : reconnaissance map
2022-09-15T18:31:20Z
tag:digital.library.illinois.edu,2005:Item/66774
2016-11-15T17:24:13Z
2022-09-15T18:31:20Z
Iowa-Illinois, Goose Lake sheet : reconnaissance map
Contour interval 20 feet.
University of Illinois at Urbana-Champaign Library