University of Illinois Urbana-Champaign

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Showing 7321–7350 of 16,884 items
Thumbnail for Prairie Parklands area assessment
Prairie Parklands area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Oil and gas development in Illinois during 1951
Oil and gas development in Illinois during 1951
Bell, Alfred Hannam; Kline, Virginia

Thumbnail for The Lake Sangchris Study: Case History of an Illinois Cooling Lake
The Lake Sangchris Study: Case History of an Illinois Cooling Lake
Larimore, Richard Weldon; Tranquilli, John A.