Note on driving of tunnel 4650 ft long to provide outlet for sublevel ore in Utah Copper mine at Bingham Canyon, Utah; concrete lining was placed for 3784 ft; remaining 866 ft lined with timber, as it will be dug out as mining operations progress.


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    Titel :

    Utah Copper company's new 6040 railroad tunnel


    Weitere Titelangaben:

    Min Congress J


    Beteiligte:
    Earl, G.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1945


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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