Drilling bore 9 in. in diam and 112 ft long under highway without interrupting traffic to facilitate gas pipe line crossing; drilling is performed by Ka-Mo pneumatic earth auger moving at rate from 8 to 12 in. per min.


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    Title :

    Major highway crossed without serious traffic lag


    Additional title:

    Gas


    Published in:

    Gas ; 31 , n 7


    Publication date :

    1955


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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