Construction of underpass on 22° curve, at Oregon City, Ore, featuring welded transverse beams and ballast trough, built under railroad traffic; methods and costs; handrail and floor; costs of welds.


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    Title :

    Welded underpass


    Additional title:

    Western Construction News


    Contributors:
    Darby, C. (author)

    Published in:

    Publication date :

    1940


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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