University of Illinois Urbana-Champaign

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Showing 661–690 of 8,602 items
Thumbnail for Availability of the Colchester coal for mining in northern and western Illinois
Availability of the Colchester coal for mining in northern and western Illinois
Korose, Christopher P.; Elrick, Scott D.; Jacobson, R.J.

Thumbnail for Origin of Illinois sand and gravel deposits
Origin of Illinois sand and gravel deposits
Lamar, J.E.; Willman, Harold Bowen

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Optimal time for collecting volatile organic chemical samples from slowly recovering wells
Optimal time for collecting volatile organic chemical samples from slowly recovering wells
Chou, Sheng-Fu J.; Herzog, Beverly L.; Valkenburg, John R.; Griffin, Robert A.

Thumbnail for Studies of the Chester series in the Illinois basin.
Studies of the Chester series in the Illinois basin.
Illinois State Geological Survey; Cohee, George Vincent; Cooper, Chalmer L.; Tippie, Frank E.

Thumbnail for Geology for planning in northeastern Illinois. II
Geology for planning in northeastern Illinois. II
Gilkeson, Robert H.; Westerman, Alfred A.

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.