University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,054 items
Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Petroleum industry in Illinois in 1956.
Petroleum industry in Illinois in 1956.
Bell, Alfred Hannam; Kline, Virginia Harriet; Pierre, Donald A.