University of Illinois Urbana-Champaign

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Showing 4351–4380 of 7,397 items
Thumbnail for Technograph. 42-44 (1929 - 1930)
Technograph. 42-44 (1929 - 1930)
Submitter: William Ingram

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 Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources