University of Illinois Urbana-Champaign

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Showing 5191–5220 of 28,215 items
Thumbnail for Abundance and recovery of sphalerite and fine coal from mine waste in Illinois
Abundance and recovery of sphalerite and fine coal from mine waste in Illinois
Cobb, James C.; Masters, John M.; Treworgy, Colin G.; Helfinstine, Roy John

Thumbnail for A guide to the geology of the Pontiac-Streator area
A guide to the geology of the Pontiac-Streator area
Nelson, Robert S.; Reinertsen, David L.

Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources