University of Illinois Urbana-Champaign

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Showing 151–180 of 227 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 Illinois Technograph v. 075 (1959-1960)
Illinois Technograph v. 075 (1959-1960)
Submitter: Timothy Donohue

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.