University of Illinois Urbana-Champaign

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Showing 2071–2094 of 2,094 items
Thumbnail for Petroleum industry in Illinois, 1966
Petroleum industry in Illinois, 1966
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

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