Description of 7.8-mile tunnel, built at cost of $15,000,000; records broken in tunnelings; tunneling methods; serious water troubles; discharge from west portal, amounting at one time, to 9000 g.p.m.


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    Title :

    Great Northern breaks records in tunnel project


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 86 , n 4


    Publication date :

    1929


    Size :

    4 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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