University of Illinois Urbana-Champaign

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Showing 3271–3300 of 3,347 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 Petroleum industry in Illinois, 1984. Oil and gas developments
Petroleum industry in Illinois, 1984. Oil and gas developments
Van Den Berg, Jacob; Treworgy, Janis D.; Elyn, Jaclyn Rendall

Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey

Thumbnail for Subsidence resulting from mining
Subsidence resulting from mining
Young, Lewis Emanuel; Stoek, Harry Harkness