University of Illinois Urbana-Champaign

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Showing 4261–4290 of 13,572 items
Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Changing Groundwater Levels in the Sandstone Aquifers of Northern Illinois and Southern Wisconsin: Impacts on Available Water Supply
Changing Groundwater Levels in the Sandstone Aquifers of Northern Illinois and Southern Wisconsin: Impacts on Available Water Supply
Abrams, Daniel B.; Hadley, Daniel; Mannix, Devin; Roadcap, George; Meyer, Scott; Hlinka, Ken; Rennels, Kevin; Bradbury, Kenneth; Chase, Peter; Krause, Jacob