University of Illinois Urbana-Champaign

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Showing 1051–1080 of 6,313 items
Thumbnail for Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Demir, Ilham; Hughes, Randall E.; DeMaris, Philip J.; Ruch, Rodney R.

Thumbnail for Guide to the Geology, Hydrogeology, Botany, History, and Archaeology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Guide to the Geology, Hydrogeology, Botany, History, and Archaeology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Panno, Samuel V.; Millhouse, Philip G.; Nyboer, Randy W.; Watson, Daryl; Kelly, Walton R.; Anderson, Lisa M.; Abert, Curtis C.; Luman, Donald E.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey