University of Illinois Urbana-Champaign

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Showing 3211–3240 of 12,068 items
Thumbnail for Illinois building stones,
Illinois building stones,
Lamar, John Everts; Willman, Harold Bowen

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.