University of Illinois Urbana-Champaign

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Showing 871–900 of 923 items
Thumbnail for Undergraduate programs; catalog 1991-1992
Undergraduate programs; catalog 1991-1992
University of Illinois at Urbana-Champaign

Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.