University of Illinois Urbana-Champaign

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Showing 3541–3570 of 5,869 items
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.

Thumbnail for Illinois drainage guide. 1226
Illinois drainage guide. 1226
Drablos, Carroll J.W.; Moe, Roger C.