Itmann mine, located in Wyoming County, W Va, is operating in Pocahontas No. 3 seam, which averages 53 in. in thickness; immediate roof is shale from 2 to 15 ft in thickness; mine is shipping 12,000 tons daily; mining equipment consists of nine off-track conventional units and seven continuous mining units; shuttle cars transport 12,000 tons per day; mining system; extraction of pillars.


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    Titel :

    Shuttle cars from face to intermediate Haulage


    Weitere Titelangaben:

    Min Congress J


    Beteiligte:
    O'Brien, M.M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1958


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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    Husk, W.L. | Engineering Index Backfile | 1955



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    Zemo, T. / Christoffersson, D. | Tema Archiv | 1980


    Automatic rope haulage clip for mine cars

    Engineering Index Backfile | 1953