University of Illinois Urbana-Champaign

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Showing 2641–2670 of 2,712 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 Illinois Technograph v. 038 (1925-1926)
Illinois Technograph v. 038 (1925-1926)
Submitter: Timothy Donohue

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

Thumbnail for General catalog / 1984 sup.
General catalog / 1984 sup.
University of Illinois Film Center

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division