University of Illinois Urbana-Champaign

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Showing 3181–3210 of 3,745 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.