Revisions made by Am. Ry. Eng. Assn. at annual meeting in recommended standards.


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    Title :

    Changes made in specifications for crushed-stone railway ballast


    Additional title:

    Rock Products


    Published in:

    Rock Products ; 28 , n 6


    Publication date :

    1925


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    New specifications for stone ballast

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