University of Illinois Urbana-Champaign

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Showing 421–443 of 443 items
Thumbnail for Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Report of the Comptroller
Report of the Comptroller
University of Illinois at Urbana-Champaign

Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley

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