University of Illinois Urbana-Champaign

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Showing 8791–8820 of 9,157 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 Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Illinois Technograph v. 035 (1922-1923)
Illinois Technograph v. 035 (1922-1923)
Submitter: Timothy Donohue

Thumbnail for Environmental Studies of Braidwood Cooling Pond, 1983
Environmental Studies of Braidwood Cooling Pond, 1983
Larimore, R. Weldon; Skelly, Thomas M.