Railroads particularly interested in handling of crushed stone, which represents considerable volume of traffic; United States produced crushed stone aggregating 68,000,000 tons in 1924, 75,000,000 tons in 1925, and 82,000,000 tons in 1926; approximately 66 per cent of total stone production of country; railroad ballast between 18 and 20 per cent annually of total production of crushed stone.


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    Titel :

    Crushed stone industry's value to transportation


    Weitere Titelangaben:

    Cement, Mill Quarry


    Beteiligte:
    Hartzell, H.O. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1928


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    The crushed stone industry; Its value to transportation

    Hartzell, H.O. | Engineering Index Backfile | 1928


    Standard sizes of crushed stone

    Jackson, F.H. | Engineering Index Backfile | 1927


    Research in national crushed stone association laboratory

    Goldbeck, A.T. | Engineering Index Backfile | 1932


    Utilization of crushed stone in low cost roads

    Goldbeck, A.T. | Engineering Index Backfile | 1929