University of Illinois Urbana-Champaign

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Showing 1021–1050 of 1,237 items
Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for University of Illinois Pork Industry Conference : [proceedings] / 1978-81
University of Illinois Pork Industry Conference : [proceedings] / 1978-81
University of Illinois at Urbana-Champaign Pork Industry Conference