University of Illinois Urbana-Champaign

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Showing 3751–3780 of 4,069 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

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