University of Illinois Urbana-Champaign

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Showing 1621–1650 of 1,846 items
Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Illinois Technograph v. 077 (1961-1962)
Illinois Technograph v. 077 (1961-1962)
Submitter: Timothy Donohue

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for Sangamon State University catalog, 1977-1978
Sangamon State University catalog, 1977-1978
Sangamon State University, Office of University Relations

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.