Anaconda Copper Mining Co. operates 185 trolley-type locomotives, each of which replaced five animals, and 22 storage-battery locomotives, hauling average of 245 loaded cars and returning same number of empties in 16-hr, day. Cost comparison of the two types. (Abstract) (See also Am. Inst. Min. and Met. Engrs. Trans no. 1123-M Feb. 1922 7 pp., 4 figs.)


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    Title :

    Electric haulage systems in Butte mines


    Additional title:

    Min. Metallurgy


    Contributors:

    Published in:

    Publication date :

    1922


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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