University of Illinois Urbana-Champaign

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Showing 9391–9420 of 17,439 items
Thumbnail for Guide to the geology, hydrogeology, history, archaeology, and biotic ecology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Guide to the geology, hydrogeology, history, archaeology, and biotic ecology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Panno, S.V.; Millhouse, Philip G.; Nyboer, Randy W.; Watson, Daryl; Kelly, Walton R.; Anderson, Lisa M.; Abert, Curtis C.; Luman, Donald E.

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.