University of Illinois Urbana-Champaign

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Showing 3121–3150 of 3,722 items
Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for 125 years of biological research 1858-1983: a symposium
125 years of biological research 1858-1983: a symposium
Godfrey, George Lawrence; Bouseman, John K.; Edwards, William R.; Robertson, Kenneth, R.; Zewadski, Robert M.