University of Illinois Urbana-Champaign

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Showing 31–60 of 238 items
Thumbnail for The Benoist (Yankeetown) Sandstone play in the Illinois basin
The Benoist (Yankeetown) Sandstone play in the Illinois basin
Leetaru, Hannes E.; Mize, Kristine; Cokinos, James S.

Thumbnail for Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Nelson, Robert S.

Thumbnail for Bedrock geology of Harrisburg Quadrangle, Saline County, Illinois
Bedrock geology of Harrisburg Quadrangle, Saline County, Illinois
Denny, F. Brett; Jacobsen, Russell J.; Nelson, W. John

Thumbnail for Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall counties, Illinois
Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Hansel, Ardith K.; Killey, Myrna M.; Nelson, Robert S.; Malone, Dave H.; Shields, William E.; Corbett, Robert G.

Thumbnail for Changing Groundwater Levels in the Cambrian-Ordovician Sandstone Aquifers of Northern Illinois, 1980-2014
Changing Groundwater Levels in the Cambrian-Ordovician Sandstone Aquifers of Northern Illinois, 1980-2014
Hadley, Daniel R.; Abrams, Daniel B.; Mannix, Devin H.; Meyer, Scott C.; Roadcap, George S.