University of Illinois Urbana-Champaign

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Showing 91–120 of 24,979 items
Thumbnail for Guide to the geology of the Ferne Clyffe area : Johnson, Pope, Saline and Union Counties
Guide to the geology of the Ferne Clyffe area : Johnson, Pope, Saline and Union Counties
Devera, Joseph A.; Reinertsen, David L.; Whitaker, Stephen T.

Thumbnail for Wolf Lake geological field trip
Wolf Lake geological field trip
Reinertsen, David L.; Reed, Philip C.

Thumbnail for Pekin geological science field trip
Pekin geological science field trip
Reinertsen, David L.; Nelson, Robert S.; Killey, Myrna M.

Thumbnail for King oil field, Jefferson County, Illinois
King oil field, Jefferson County, Illinois
Folk, Stewart Huntley; Swann, David H.