University of Illinois Urbana-Champaign

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Showing 271–300 of 13,532 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 Isotopic studies in the natural sources of radium in groundwater in Illinois
Isotopic studies in the natural sources of radium in groundwater in Illinois
Gilekson, Robert H.; Perry, Eugene C., Jr.; Cowart, James B.; Holtzman, Richard B.

Thumbnail for Illinois Groundwater Quality Data Summary
Illinois Groundwater Quality Data Summary
Gibb, James P.; O'Hearn, Michael