University of Illinois Urbana-Champaign

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Showing 7141–7170 of 7,581 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 Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

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