University of Illinois Urbana-Champaign

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Showing 3181–3210 of 3,397 items
Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Technograph. 34 (1921 - 1922)
Technograph. 34 (1921 - 1922)
Submitter: Timothy Donohue

Thumbnail for Isotopic studies in the natural sources of radium in groundwater in Illinois
Isotopic studies in the natural sources of radium in groundwater in Illinois
Gilekson, Robert H.; Perry, Eugene C., Jr.; Cowart, James B.; Holtzman, Richard B.

Thumbnail for Annual register. 1910-1911
Annual register. 1910-1911
University of Illinois at Urbana-Champaign