University of Illinois Urbana-Champaign

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Showing 2371–2400 of 4,081 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 News from the Field
News from the Field
Submitter: Howard Ding