University of Illinois Urbana-Champaign

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Showing 1891–1920 of 2,806 items
Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding

Thumbnail for Oil and gas development in Illinois during 1953
Oil and gas development in Illinois during 1953
Bell, Alfred Hannam; Kline, Virginia

Thumbnail for Mississippian stratotypes
Mississippian stratotypes
Collinson, Charles; Baxter, James W.; Norby, R.D.; Lane, H.R.; Brenckle, Paul D.

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry