University of Illinois Urbana-Champaign

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Showing 3241–3270 of 3,805 items
Thumbnail for The geology of Hardin County, and the adjoining part of Pope County.
The geology of Hardin County, and the adjoining part of Pope County.
Weller, Stuart; Butts, Charles; Currier, Louis W.; Salisbury, Rollin D.

Thumbnail for Groundwater in the Peoria region.
Groundwater in the Peoria region.
Horberg, Leland; Suter, Max; Larson, T.E.