University of Illinois Urbana-Champaign

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Showing 6031–6060 of 9,607 items
Thumbnail for Geochemical properties of coal wastes and the toxicological effects on aquatic life
Geochemical properties of coal wastes and the toxicological effects on aquatic life
Roy, William R.; Skelly, T.M.; Krapac, I.G.; Griffin, R.A.; Dickerson, D.R.; Schuller, R.M.; Suloway, J.J.; Shimp, N.F.

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author