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  1. 1
    Bretz mine, Malheur County, Oreg., Cordero mine, Humboldt County, Nev. : mercury
    Published 1943

    Government Document Book
  2. 2
    Bretz mine, Malheur County, Oreg., Cordero mine mine, Humboldt County, Nev. : supplement to War minerals report 46
    Published 1943

    Government Document Book
  3. 3
    Laboratory concentration of mercury ores from Oregon, California, Idaho, and Nevada /
    by Wells, R. R
    Published 1950

    Government Document Book
  4. 4
    Investigation of mercury deposits in Nevada and in Malheur County, Oregon /
    by Benson, W. T
    Published 1956

    Government Document Book
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