University of Illinois Urbana-Champaign

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Showing 2881–2910 of 3,086 items
Thumbnail for Assessment of Eighteen Public Ground-water Supplies in Illinois
Assessment of Eighteen Public Ground-water Supplies in Illinois
Wehrmann, H. Allen; Visocky, Adrian P.; Burris, Charles B.; Ringler, Robert W.; Brower, Ross D.

Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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

Thumbnail for Assessment of Public Groundwater Supplies in Illinois
Assessment of Public Groundwater Supplies in Illinois
Visocky, Adrian P.; Wehrman, H. Allen; Kim, Keu W.; Ringler, Robert W.

Thumbnail for Geology and geography of the Galena and Elizabeth Quadrangles.
Geology and geography of the Galena and Elizabeth Quadrangles.
Trowbridge, Arthur C.; Shaw, Eugene Wesley; Schockel, Bernard Henry

Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.