University of Illinois Urbana-Champaign

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Showing 661–690 of 1,919 items
Thumbnail for Ground-water/surface Water Interactions at Sand Lake, Mason County, Illinois
Ground-water/surface Water Interactions at Sand Lake, Mason County, Illinois
Hlinka, Kenneth J.; Buck, Andrew G.; Clark, Gary R.

Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Mississippian border of eastern interior basin
Mississippian border of eastern interior basin
Weller, James Marvin; Sutton, Arle H.