University of Illinois Urbana-Champaign

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Showing 4501–4530 of 5,149 items
Thumbnail for Sinkhole Plain area assessment
Sinkhole Plain area assessment
Submitter: Steven Mccauley

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.

Thumbnail for Illinois Technograph v. 075 (1959-1960)
Illinois Technograph v. 075 (1959-1960)
Submitter: Timothy Donohue