University of Illinois Urbana-Champaign

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Showing 421–450 of 536 items
Thumbnail for Economic and Geologic Papers
Economic and Geologic Papers
Nebel, M.L.; Savage, Thomas Edmund; Culver, Harold E.; Bretz, J Harlen; Currier, Louis W.

Thumbnail for Sinkhole Plain area assessment
Sinkhole Plain area assessment
Submitter: Steven Mccauley

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

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