University of Illinois Urbana-Champaign

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Showing 2611–2640 of 5,627 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 Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry