University of Illinois Urbana-Champaign

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Showing 2401–2430 of 2,449 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois classical studies. 15 (1990)
Illinois classical studies. 15 (1990)
Submitter: William Ingram

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