Satisfied that many on railroads in responsible charge of tunnel maintenance and repair do not fully appreciate, or overlook, some of basic principles essential to safe and economical execution of this type of work, author has set forth his understanding of principles, based upon personal experience in tunnel work and studies as chairman of Am Ry Eng Assn subcommittee investigating tunnel maintenance and repair practices.


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    Title :

    Economic repairs of railroad tunnels


    Additional title:

    Ry Eng Maintenance


    Contributors:

    Published in:

    Publication date :

    1950


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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