University of Illinois Urbana-Champaign

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Showing 1–30 of 14,362 items
Thumbnail for Some geological studies reported at the State Academy of Science in 1943
Some geological studies reported at the State Academy of Science in 1943
Ball, John Rice; Tippie, Frank Emerson; Horberg, Leland; Mason, Arnold Caverly

Thumbnail for Geology of the Pinckneyville and Jamestown areas, Perry County, Illinois
Geology of the Pinckneyville and Jamestown areas, Perry County, Illinois
Bell, Alfred Hannam; Ball, Clayton Garrett; McCabe, Louis Cordell