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    Beneficiation of oxidized manganese ores by magnetic separation of roasted jig concentrates

    Published 1929
    “…Mines Bur. Rpt. of Investigation No. 2936.…”
    Government Document Microfilm Book

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  2. 2
    Cover Image

    Beneficiation of oxidized manganese ores by magnetic separation of roasted jig concentrates.

    Published 1929
    “…Mines Bur. Rpt. of Investigation No. 2936.…”
    Full Text (via ProQuest)
    Government Document eBook

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