University of Illinois Urbana-Champaign

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Showing 4201–4230 of 15,090 items
Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore 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