University of Illinois Urbana-Champaign

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Showing 871–900 of 2,098 items
Thumbnail for Calumet area assessment
Calumet area assessment
Submitter: Steven Mccauley

Thumbnail for History of Illinois mineral industries
History of Illinois mineral industries
Risser, Hubert E.; Major, Robert L.

Thumbnail for Sulfur reduction of Illinois coals: washability tests
Sulfur reduction of Illinois coals: washability tests
Helfinstine, Roy John; Simon, Jack A.; Shimp, Neil F.; Hopkins, M.E.

Thumbnail for Coke crushing characteristics
Coke crushing characteristics
Jackman, Harold Wesley; Helfinstine, Roy John

Thumbnail for Inside Illinois : mineral resources
Inside Illinois : mineral resources
Illinois State Geological Survey

Thumbnail for Stockpiling Illinois coal for coke
Stockpiling Illinois coal for coke
Jackman, Harold Wesley; Eissler, Robert Louis; Helfinstine, Roy John

Thumbnail for Groundwater geology of DeWitt, Piatt, and northern Macon Counties, Illinois
Groundwater geology of DeWitt, Piatt, and northern Macon Counties, Illinois
Larson, David R.; Herzog, Beverly L.; Larson, Timothy H.