University of Illinois Urbana-Champaign

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Showing 2971–3000 of 6,300 items
Thumbnail for Groundwater contamination in karst terrain of southwestern Illinois
Groundwater contamination in karst terrain of southwestern Illinois
Panno, S.V.; Krapac, I.G.; Weibel, C.P.; Bade, J.D.

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

Thumbnail for Silurian geology of the Des Plaines River Valley, northeastern Illinois
Silurian geology of the Des Plaines River Valley, northeastern Illinois
Mikulic, Donald G.; Sargent, Michael L.; Norby, Rodney D.; Kolata, Dennis R.