University of Illinois Urbana-Champaign

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Showing 7891–7920 of 8,358 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois Technograph v. 080 (1964-1965)
Illinois Technograph v. 080 (1964-1965)
Submitter: Timothy Donohue