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  1. 1
    Some high-purity quartz deposits in Montana /
    by Chelini, J. M.
    Published 1966
    Book
  2. 2
    Mining methods and costs of Quartz Hill Mining Co., Dewey, Mont.
    Published 1937
    Electronic resource (PDF)
    Government Document eBook
  3. 3
    Mining methods and costs of Quartz Hill Mining Co., Dewey, Mont.
    Published 1937
    Electronic resource (PDF)
    Government Document eBook
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