West Construction Co is driving two major railroad tunnels between Passage Canal and Portage Junction; snowsheds protect workers at portals from slides and avalanches; tunnels are each 16 ft wide and 22 ft high from grade to top of arch which is formed on 8 ft radius.


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    Title :

    Tunneling Chugach range for Alaska railroad


    Additional title:

    Pac Builder Engr


    Published in:

    Publication date :

    1942


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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