History of northwestern Magnesite Co., Chewelah, Wash., largest producer of magnesite in United States; quarrying operations and use of aerial tramway provided with 100 buckets each of 1200 lb. capacity, delivering 200 tons in 8 hr.


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    Title :

    Aerial tramway transports raw material five miles to plant of northwest magnesite company


    Additional title:

    Pit Quarry


    Published in:

    Pit and Quarry ; 19 , n 12


    Publication date :

    1930


    Size :

    7 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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