University of Illinois Urbana-Champaign

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Showing 4861–4890 of 15,622 items
Thumbnail for Sulfur reduction of Illinois coals--washability studies
Sulfur reduction of Illinois coals--washability studies
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.; Hopkins, M.E.

Thumbnail for Some clay-water properties of certain clay minerals
Some clay-water properties of certain clay minerals
Grim, Ralph E.; Cuthbert, Frederick Leicester