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    Western mining; an informal account of precious-metals prospecting, placering, lode mining and milling on the American frontier from Spanish times to 1893 द्वारा Young, Otis E. 1925-

    प्रकाशित 1970
    पुस्तक

    Western mining; an informal account of precious-metals prospecting, placering, lode mining and milling on the American frontier from Spanish times to 1893

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