University of Illinois Urbana-Champaign

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Showing 271–300 of 875 items
Thumbnail for King oil field, Jefferson County, Illinois
King oil field, Jefferson County, Illinois
Folk, Stewart Huntley; Swann, David H.

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

Thumbnail for News from the Field
News from the Field
Submitter: Howard Ding