University of Illinois Urbana-Champaign

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Showing 3901–3930 of 7,330 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 Instructional materials
Instructional materials
Submitter: Howard Ding

Thumbnail for Lake evaporation in Illinois
Lake evaporation in Illinois
Roberts, Wyndham John; Stall, John Byron