Elimination of tunnels on Southern Pacific lines by excavating through overburden to grade was necessary in order to remove restrictive clearances; grading done by railroads own forces; cost figures demonstrated economy of methods; other tunnels eliminated by relocation of main line.


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    Title :

    Railroad tunnels "daylighted" by company forces


    Additional title:

    Civ Eng (NY)


    Contributors:
    Mayo, E.E. (author)

    Published in:

    Publication date :

    1946


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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