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Showing 1 - 6 results of 6 for search 'old ores', query time: 0.20s Refine Results
  1. 1
    Milling methods and costs at concentrator of Old Dominion Company, Globe, Ariz.
    Published 1931
    Subjects: “...Ore-dressing Arizona....”
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    Government Document eBook
  2. 2
    Geology and ore deposits of the Rico District, Colorado /
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    Government Document eBook
  3. 3
    The geology and ore deposits of the Reese River district, Lander County, Nevada /
    Subjects: “...Ore deposits Nevada Lander County....”
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    Government Document eBook
  4. 4
    The copper deposits of Michigan /
    Table of Contents: “...Ore deposits --...”
    Government Document Book
  5. 5
    Argentian cryptomelane and bromargyrite in volcanic rocks near Silver Cliff, Colorado /
    Subjects: “...Silver ores Colorado Silver Cliff....”
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    Government Document eBook
  6. 6
    Short papers of the Fourth International Conference, Geochronology, Cosmochronology, Isotope Geology, 1978 /
    Published 1978
    Table of Contents: “... between Rb-Sr and U-Th-Pb whole-rock and zircon systems in the>3790 m.y. old Sand River gneisses, Limpopo...”
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    Government Document Conference Proceeding eBook
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