University of Illinois Urbana-Champaign

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Showing 2401–2430 of 2,960 items
Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Annual report : May 1, 1987 - June 30, 1988
Annual report : May 1, 1987 - June 30, 1988
Illinois. Hazardous Waste Research and Information Center

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