University of Illinois Urbana-Champaign

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Showing 1921–1950 of 2,313 items
Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois Technograph v. 070 (1954-1955)
Illinois Technograph v. 070 (1954-1955)
Submitter: Timothy Donohue