University of Illinois Urbana-Champaign

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Showing 2821–2850 of 3,171 items
Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Farm news for weeklies. 1953
Farm news for weeklies. 1953
Submitter: Howard Ding

Thumbnail for Farm news for weeklies. 1951
Farm news for weeklies. 1951
Submitter: Howard Ding

Thumbnail for A directory of Illinois systematists and ecologists
A directory of Illinois systematists and ecologists
Robertson, Kenneth R.; Burton, Phillip J. K.; McKnight, Bill N.

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