University of Illinois Urbana-Champaign

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Showing 211–240 of 276 items
Thumbnail for Annual newsletter / 1968-80
Annual newsletter / 1968-80
University of Illinois at Urbana-Champaign. Deptartment of Geology

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 Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis