Consideration of value of general aids to navigation on Lake Superior as exemplified by voyage of 600-ft bulk freighter after passing through locks at Sault Ste. Marie; reconstruction of system of navigational light signals and marks in Duluth-Superior harbor on Lake Superior.


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    Title :

    Navigational aids


    Additional title:

    Mar Rev


    Contributors:

    Published in:

    Marine Review ; 65 , n 2


    Publication date :

    1935


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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