University of Illinois Urbana-Champaign

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Showing 1771–1800 of 1,952 items
Thumbnail for Illinois Technograph v. 073 (1957-1958)
Illinois Technograph v. 073 (1957-1958)
Submitter: Timothy Donohue

Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.