University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,349 items
Thumbnail for Big Muddy River area assessment
Big Muddy 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 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 It says here / 1953-59
It says here / 1953-59
Submitter: Howard Ding

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.