University of Illinois Urbana-Champaign

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Showing 2791–2820 of 2,846 items
Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois research. [vol.6-vol.10]
Illinois research. [vol.6-vol.10]
Submitter: Howard Ding

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