University of Illinois Urbana-Champaign

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Showing 2761–2790 of 3,822 items
Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines 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 Petroleum industry in Illinois in 1957
Petroleum industry in Illinois in 1957
Bell, Alfred Hannam; Kline, Virginia Harriet; Sherman, Carl W.