University of Illinois Urbana-Champaign

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Showing 4171–4200 of 5,489 items
Thumbnail for Thorn Creek area assessment
Thorn Creek area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

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.