New 1840-ft tunnel paralleling old tunnel which had collapsed, was constructed in 120 days to end shutdown of railroad line between Parkersburg and Clarksburg, W Va; several old tunnels were bypassed and others enlarged to eliminate restrictions caused to piggyback trains by 18 low tunnels.


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    Titel :

    Fast tunneling salvages blocked railroad project


    Weitere Titelangaben:

    Eng News-Rec


    Erschienen in:

    Engineering News-Record ; 172 , n 9 ; p 38-40


    Erscheinungsdatum :

    1964


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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