Plant at Otay, Calif., near Mexico boundary, supplies Los Angeles with building materials; gasolinedriven crane with 45-foot boom and 1 1/4-cu. yd. bucket loads 5-cu. yd. dump cars; 8-ton gasoline locomotive hauls cars to grinding and screening plant; material is crushed, ground, washed, screened, and graded into sand product, and 1/2 in., 1 in., and 2 in. rock; plant capacity is 100 tons per hr.


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    Title :

    Spreckles commercial company recovers coarse gravel, from dry river bed


    Additional title:

    Pit Quarry


    Contributors:

    Published in:

    Pit and Quarry ; 18 , n 5


    Publication date :

    1929


    Size :

    4 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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