University of Illinois Urbana-Champaign

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Showing 1891–1920 of 8,725 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 New Periodicals and Serials
New Periodicals and Serials
Ulrich, Carolyn F.