University of Illinois Urbana-Champaign

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Showing 6421–6450 of 10,344 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 John Mason Peck : a biographical sketch
John Mason Peck : a biographical sketch
Lawrence, Matthew, fl. 1914.

Thumbnail for Illinois' ice age legacy
Illinois' ice age legacy
Killey, Myrna M.