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  1. 1

    Bituminous coal annual. 1948-.

    Published 1948
    Book

    Bituminous coal annual. 1948-.
  2. 2

    The National bituminous coal commission ; administration of the Bituminous coal act, 1937-1941 by Baker, Ralph Hillis 1910-

    Published 1941
    Book

    The National bituminous coal commission ; administration of the Bituminous coal act, 1937-1941
  3. 3

    The case of bituminous coal by Hamilton, Walton Hale 1881-

    Published 1926
    Book

    The case of bituminous coal

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