University of Illinois Urbana-Champaign

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Showing 1231–1260 of 1,804 items
Thumbnail for Faculty letter / no. 89-150
Faculty letter / no. 89-150
University of Illinois. Office of the President

Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.