University of Illinois Urbana-Champaign

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Showing 1–30 of 1,773 items
Thumbnail for Illinois oil shales,
Illinois oil shales,
Lamar, John Everts; Armon, W.J.; Simon, J.A.

Thumbnail for Sulfur varieties in Illinois coals : float-sink tests
Sulfur varieties in Illinois coals : float-sink tests
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for Sulfur reduction of Illinois coals--washability studies
Sulfur reduction of Illinois coals--washability studies
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.; Hopkins, M.E.

Thumbnail for Depositional history of the Pennsylvanian rocks in Illinois
Depositional history of the Pennsylvanian rocks in Illinois
Illinois State Geological Survey Coal Section; Jacobson, Russell J.

Thumbnail for 2012 Report
2012 Report
Prairie Research Institute

Thumbnail for Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Illinois Basin Energy and Mineral Resources Workshop (1994 : Evansville, Ind.); Ridgley, Jennie L.

Thumbnail for Hydrogeology of the Green River Lowland and associated bedrock valleys in Northwestern Illinois
Hydrogeology of the Green River Lowland and associated bedrock valleys in Northwestern Illinois
Larson, David R.; Herzog, Beverly L.; Vaiden, Robert C.; Chenoweth, Cheri A.; Xu, Yunxia; Anderson, Richard C.

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.