University of Illinois Urbana-Champaign

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Showing 1021–1050 of 8,678 items
Thumbnail for Groundwater in northwestern Illinois
Groundwater in northwestern Illinois
Hackett, James Edward; Bergstrom, Robert Edward

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Hydrogeologic and geochemical studies of selected natural radioisotopes and barium in groundwater in Illinois
Hydrogeologic and geochemical studies of selected natural radioisotopes and barium in groundwater in Illinois
Gilkeson, Robert H.; Cartwright, Keros; Cowart, James B.; Holtzman, Richard B.