University of Illinois Urbana-Champaign

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Showing 3661–3690 of 3,981 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Role of sediments in eutrophication—A preliminary study
Role of sediments in eutrophication—A preliminary study
Moore, Charles A.; Silver, Marshall L.

Thumbnail for Mississippi Western Five area assessment
Mississippi Western Five area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division