University of Illinois Urbana-Champaign

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Showing 4441–4470 of 4,653 items
Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Catalog of Devonian and deeper tests in southern Illinois
Catalog of Devonian and deeper tests in southern Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley