University of Illinois Urbana-Champaign

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Showing 1111–1140 of 1,365 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 Transactions of the Board of Trustees [electronic resource] / 1990-92
Transactions of the Board of Trustees [electronic resource] / 1990-92
University of Illinois (System). Board of Trustees

Thumbnail for Cache River Area Assessment
Cache River Area Assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis