University of Illinois Urbana-Champaign

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Showing 1831–1860 of 2,750 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 Illinois mineral industry in 1943
Illinois mineral industry in 1943
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Short papers on geologic subjects.
Short papers on geologic subjects.
Foster, John Webster; Lamar, John Everts; Reynolds, R.R.; Willman, Harold Bowen; Templeton, J.S.; Shrode, Raymond S.; Raasch, Gilbert Oscar

Thumbnail for Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley