University of Illinois Urbana-Champaign

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Showing 1921–1950 of 2,115 items
Thumbnail for Farm radio news. 1955
Farm radio news. 1955
Submitter: Howard Ding

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 Lower Sangamon River area assessment
Lower Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley

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