University of Illinois Urbana-Champaign

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Showing 1021–1050 of 1,067 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois classical studies. 8 (1983)
Illinois classical studies. 8 (1983)
Submitter: William Ingram

Thumbnail for Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley