University of Illinois Urbana-Champaign

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Showing 451–480 of 531 items
Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Transactions of the Board of Trustees [electronic resource] / 2004-06
Transactions of the Board of Trustees [electronic resource] / 2004-06
University of Illinois (System). Board of Trustees

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 Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Year-book for 1906
Year-book for 1906
Illinois State Geological Survey

Thumbnail for Special to farm advisers / 1968
Special to farm advisers / 1968
Submitter: Howard Ding

Thumbnail for Petroleum industry in Illinois, 1965.
Petroleum industry in Illinois, 1965.
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Technograph. 42-44 (1929 - 1930)
Technograph. 42-44 (1929 - 1930)
Submitter: William Ingram