University of Illinois Urbana-Champaign

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Showing 271–300 of 18,693 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Mississippian border of eastern interior basin
Mississippian border of eastern interior basin
Weller, James Marvin; Sutton, Arle H.

Thumbnail for Bank Erosion of the Illinois River
Bank Erosion of the Illinois River
Bhowmik, Nani G.; Schicht, Richard, J.

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Habitat Evaluation Procedures Applied to the Proposed Hunter Lake (Lake II) Sangamon County, Illinois
Habitat Evaluation Procedures Applied to the Proposed Hunter Lake (Lake II) Sangamon County, Illinois
Hunter Lake HEP Team: Illinois Natural History Survey, U.S. Fish & Wildlife Service, Illinois Department of Conservation

Thumbnail for Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Willman, Harold Bowen; Glass, Herbert David; Frye, John Chapman

Thumbnail for Glacial drift in Illinois : thickness and character
Glacial drift in Illinois : thickness and character
Piskin, Kemal; Bergstrom, Robert E.

Thumbnail for Geochemical Interactions of Hazardous Wastes with Geological Formations in Deep-Well Systems
Geochemical Interactions of Hazardous Wastes with Geological Formations in Deep-Well Systems
Roy, William R.; Krapac, Ivan G.; Mravik, S.C.; Dickerson, D.R.; Griffin, R.A.