Percentage of extraction of bituminous coal with special reference to Illinois conditions

Author(s)
    • Young, Clinton Mason
    • Illinois. State geological survey
    • United States. Bureau of mines
    • Illinois. University
Bibliographic Information

Percentage of extraction of bituminous coal with special reference to Illinois conditions

by C.M. Young

(University of Illinois bulletin, vol. 14, no. 42)(University of Illinois Engineering Experiment Station, Bulltein no. 100)

University of Illinois, 1917

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