University of Illinois Urbana-Champaign

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Showing 1741–1770 of 2,695 items
Thumbnail for Illinois Technograph v. 070 (1954-1955)
Illinois Technograph v. 070 (1954-1955)
Submitter: Timothy Donohue

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.