New bore through Cascades converts 75 mi. of Great Northern Railroad from steam to electric; electric locomotives; control on down grades; shatters all building records; upgrade from water.


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    Title :

    Longest U.S. Tunnel, 8 Miles


    Additional title:

    Pub. Service Mgmt


    Published in:

    Publication date :

    1929


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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