Showing 1 - 2 results of 2 for search 'Philippines (Commonwealth) Bureau of Mines Information circular', query time: 0.03s Refine Results
  1. 1

    Placer operations of North Mindanao Mining Co., Surigao, Mindanao by Boericke, William Fay 1884-

    Published 1939
    Book

    Placer operations of North Mindanao Mining Co., Surigao, Mindanao
  2. 2

    Information circular. no. 1-.

    Book

    Information circular. no. 1-.

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