University of Illinois Urbana-Champaign

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Showing 3421–3450 of 3,740 items
Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for 125 years of biological research 1858-1983: a symposium
125 years of biological research 1858-1983: a symposium
Godfrey, George Lawrence; Bouseman, John K.; Edwards, William R.; Robertson, Kenneth, R.; Zewadski, Robert M.

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey