University of Illinois Urbana-Champaign

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Showing 1171–1200 of 1,463 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 Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for A directory of Illinois systematists, ecologists, and field biologists
A directory of Illinois systematists, ecologists, and field biologists
Burton, Philip J.; Dennis, Ann; Robertson, Kenneth R.

Thumbnail for GPA Newsletter
GPA Newsletter
Submitter: Sarah Shreeves

Thumbnail for Illinois Technograph v. 045 (1930-1931)
Illinois Technograph v. 045 (1930-1931)
Submitter: Timothy Donohue