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    D. Johann Gottlob Lehmanns Probier-Kunst by Lehmann, Johann Gottlob, -1767

    Published 1761
    Microfilm Book
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    Gold in igneous, sedimentary, and metamorphic rocks / by Jones, Robert Sprague, 1913-

    Published 1969
    Government Document Book
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    Assaying : in three parts / by Aaron, C. H. (Charles Howard)

    Published 1906
    Book
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    Sample size and meaningful gold analysis / by Clifton, H. Edward (Hugh Edward), 1934-

    Published 1969
    Government Document Book
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    Results of assays of the New Albany oil-shale / by Reeves, J. R. (John Robert), 1896-

    Published 1923
    Government Document Book
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    A textbook of fire assaying / by Bugbee, Edward Everett

    Published 1933
    Book
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    Application of ion-exchange resins in the cyanidation of a gold and silver ore / by Hussey, S. J.

    Published 1949
    Government Document Book
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