University of Illinois Urbana-Champaign

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Showing 481–510 of 839 items
Thumbnail for Oxidation of coal.
Oxidation of coal.
Yohe, Gail Robert

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.