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University of Illinois Urbana-Champaign

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Showing 271–300 of 7,946 items
Thumbnail for Geology for planning in McHenry County
Geology for planning in McHenry County
Hackett, James Edward; McComas, Murray R.

Thumbnail for Geology of the Waltersburg Quadrangle, Pope County, Illinois
Geology of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Oliver, Lynne B.; Esling, Steven P.

Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.

Thumbnail for Regional geology of the Tiskilwa Till Member, Wedron Formation, northeastern Illinois
Regional geology of the Tiskilwa Till Member, Wedron Formation, northeastern Illinois
Wickham, Susan Specht; Johnson, William Hilton; Glass, Herbert David

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Illinois Basin Energy and Mineral Resources Workshop (1994 : Evansville, Ind.); Ridgley, Jennie L.

Thumbnail for Hydrogeology of the Green River Lowland and associated bedrock valleys in Northwestern Illinois
Hydrogeology of the Green River Lowland and associated bedrock valleys in Northwestern Illinois
Larson, David R.; Herzog, Beverly L.; Vaiden, Robert C.; Chenoweth, Cheri A.; Xu, Yunxia; Anderson, Richard C.