University of Illinois Urbana-Champaign

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Showing 2371–2400 of 4,027 items
Thumbnail for Lower Des Plaines River area assessment
Lower Des Plaines River area assessment
Submitter: Steven Mccauley

Thumbnail for Water Quality Features of the Upper Illinois Waterway
Water Quality Features of the Upper Illinois Waterway
Butts, Thomas A.; Evans, Ralph L.; Lin, Shun Dar

Thumbnail for Petroleum industry in Illinois, 1965.
Petroleum industry in Illinois, 1965.
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.