University of Illinois Urbana-Champaign

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Showing 121–150 of 743 items
Thumbnail for Oil and gas development in Illinois during 1952
Oil and gas development in Illinois during 1952
Bell, Alfred Hannam; Kline, Virginia

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Additional Content
Submitter: Howard Ding

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Additional Content
Submitter: Howard Ding

Thumbnail for The Platteville and Galena groups in northern Illinois
The Platteville and Galena groups in northern Illinois
Willman, Harold Bowen; Kolata, Dennis R.

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

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Additional Content
Submitter: Howard Ding