University of Illinois Urbana-Champaign

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Showing 2281–2310 of 2,550 items
Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Role of sediments in eutrophication—A preliminary study
Role of sediments in eutrophication—A preliminary study
Moore, Charles A.; Silver, Marshall L.

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