Showing 1 - 6 results of 6 for search '"Information circular (United States. Bureau of Mines) ;"' Narrow Search
  1. by Kingston, Gary A.
    Published 1962
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  2. Placer mining in the western United States
    Pt I General information hand shoveling and ground sluicing
    Book
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  3. by Fulkerson, Frank B.
    Published 1962
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  4. Placer mining in the western United States
    Pt 2 Hydraulicking treatment of placer concentrates and marketing of gold
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  5. by Kingston, Gary A.
    Published 1962
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  6. Published 1953
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