University of Illinois Urbana-Champaign

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Showing 2611–2640 of 2,866 items
Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. 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 Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley

Thumbnail for Transactions of the Board of Trustees [electronic resource] / 2000-02
Transactions of the Board of Trustees [electronic resource] / 2000-02
University of Illinois (System). Board of Trustees