University of Illinois Urbana-Champaign

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Showing 61–90 of 994 items
Thumbnail for Geology for planning in Boone and Winnebago Counties
Geology for planning in Boone and Winnebago Counties
Berg, Richard C.; Kempton, John Paul; Stecyk, Amy N.; Goodwin, Jonathan H.; Glockner, Mary

Thumbnail for Bedrock aquifers of northeastern Illinois
Bedrock aquifers of northeastern Illinois
Hughes, George M.; Kraatz, Paul; Landon, Ronald A.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Frost, Joyce K.; Zierath, David L.; Shimp, Neil F.; Bergstrom, Robert Edward