University of Illinois Urbana-Champaign

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Showing 691–720 of 744 items
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.

Thumbnail for Illinois Technograph v. 041 (1928-1929)
Illinois Technograph v. 041 (1928-1929)
Submitter: Timothy Donohue