University of Illinois Urbana-Champaign

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Showing 6451–6480 of 7,514 items
Thumbnail for Use of Illinois coal for production of metallurgical coke,
Use of Illinois coal for production of metallurgical coke,
Reed, Frank Hynes; Jackman, Harold Wesley; Rees, O.W.; Yohe, G.R.; Henline, P.W.

Thumbnail for Illinois Technograph v. 027 (1912-1913)
Illinois Technograph v. 027 (1912-1913)
Submitter: Timothy Donohue

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author