University of Illinois Urbana-Champaign

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Showing 2161–2190 of 2,193 items
Thumbnail for Petroleum industry in Illinois, 1984. Oil and gas developments
Petroleum industry in Illinois, 1984. Oil and gas developments
Van Den Berg, Jacob; Treworgy, Janis D.; Elyn, Jaclyn Rendall

Thumbnail for It says here / 1963-64
It says here / 1963-64
Submitter: Howard Ding

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 Public ground-water supplies in DuPage county
Public ground-water supplies in DuPage county
Woller, Dorothy M.; Sanderson, Ellis W.; Sargent, Michael L.

Thumbnail for Illinois Technograph v. 070 (1954-1955)
Illinois Technograph v. 070 (1954-1955)
Submitter: Timothy Donohue