Illustrated description of equipment and methods used in concreting Union Pacific's new $ 8,000,000 Aspen tunnel; placing of concrete lining, now more than half complete, is final major step in construction of 6700-ft single track bore that railroad started to drill through Uinta Mountain range in Western Wyoming about 2 yr ago; tunnel parallels present single track Aspen tunnel, completed in 1901. (see also Western Construction News v 24 n 9 Sept 1949 p 84-5; Civ Eng (NY) v 19 n 9 Sept 1949 p 39)


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    Title :

    Big tunnel-lining job fully mechanized


    Additional title:

    Ry Age


    Published in:

    Railway Age ; 127 , n 11


    Publication date :

    1949


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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