University of Illinois Urbana-Champaign

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Showing 4231–4260 of 4,606 items
Thumbnail for Ground-water investigation at Mount Carmel, Illinois
Ground-water investigation at Mount Carmel, Illinois
Visocky, Adrian P.; Sanderson, Ellis W.

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 Faculty letter / no. 1-88
Faculty letter / no. 1-88
Submitter: William Ingram

Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.