University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,157 items
Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

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 Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Farm radio news. 1959: Jy-D
Farm radio news. 1959: Jy-D
Submitter: Howard Ding

Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis