University of Illinois Urbana-Champaign

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Showing 1411–1440 of 4,037 items
Thumbnail for Availability of the Danville, Jamestown, Dekoven, Davis, and Seelyville coals for mining in selected areas of Illinois
Availability of the Danville, Jamestown, Dekoven, Davis, and Seelyville coals for mining in selected areas of Illinois
Korose, Christopher P.; Treworgy, Colin G.; Jacobson, Russell J.; Elrick, Scott D.

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.