University of Illinois Urbana-Champaign

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Showing 6541–6570 of 6,763 items
Thumbnail for Illinois Technograph v. 073 (1957-1958)
Illinois Technograph v. 073 (1957-1958)
Submitter: Timothy Donohue

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.