University of Illinois Urbana-Champaign

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Showing 661–690 of 951 items
Thumbnail for Annual register. 1922-23
Annual register. 1922-23
University of Illinois at Urbana-Champaign

Thumbnail for Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.