Chesapeake and Ohio moves 700,000 cu. yd. of material to reduce maintenance expenses; excavation work which demolished tunnel and substituted deep open cut. See Engineering Index 1929, p. 1511.


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    Title :

    Daylighting a 1400-ft. tunnel


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 89 , n 2


    Publication date :

    1930


    Size :

    2 pages


    Remarks:

    1 Fig.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Review of Advanced Daylighting Systems

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    1301 bis 1400

    GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1855


    1301 bis 1400

    GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1855