University of Illinois Urbana-Champaign

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Showing 8851–8880 of 9,434 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Special to farm advisers / 1950
Special to farm advisers / 1950
Submitter: Howard Ding