Synonyme wurden verwendet für: Coal mines and mining
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    A haulage system with gathering locomotives only

    Adams, R.L. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

      A haulage system with gathering locomotives only

      Adams, R.L. | Engineering Index Backfile | 1928
      Schlagwörter: Coal mines and mining

    Safety problems in coal mining

    Greenwald, H.P. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

    Haulage traffic expedited by dispatching

    Engineering Index Backfile | 1929
    Schlagwörter: Coal mines and mining

    In mine transportation good track plus planned haulage equals safety and efficiency

    Engineering Index Backfile | 1929
    Schlagwörter: Coal mines and mining

    Kentucky holds big first aid meet

    Engineering Index Backfile | 1929
    Schlagwörter: Coal mines and mining

    Face pressure and cleat in underground workings

    Thiele, B.E. | Engineering Index Backfile | 1930
    Schlagwörter: Coal mines and mining

      Face pressure and cleat in underground workings

      Thiele, B.E. | Engineering Index Backfile | 1931
      Schlagwörter: Coal mines and mining

    Coal in Natal

    Steart, F.A. | Engineering Index Backfile | 1930
    Schlagwörter: Coal mines and mining

    Haulage accidents in coal mines

    Engineering Index Backfile | 1931
    Schlagwörter: Coal mines and mining

    Car transporter allows stripping two seams simultaneously at Huntsville-Sinclair Mine

    Engineering Index Backfile | 1935
    Schlagwörter: Coal mines and mining

    Safety record of coal industry shows improvement despite increasing hazards

    Harrington, D. | Engineering Index Backfile | 1935
    Schlagwörter: Coal mines and mining

    Accidents at coal face and their prevention

    Landale, N.S. | Engineering Index Backfile | 1936
    Schlagwörter: Coal mines and mining

    Haulage

    Jackson, G. | Engineering Index Backfile | 1936
    Schlagwörter: Coal mines and mining

    Track brakes for man-riding vehicles

    Bavin, T. / Johnson, W.A. | Engineering Index Backfile | 1936
    Schlagwörter: Coal mines and mining

    Underground conveyors

    Engineering Index Backfile | 1939
    Schlagwörter: Coal mines and mining

    Our experience with shuttle car operation

    Burnett, B.F. | Engineering Index Backfile | 1940
    Schlagwörter: Coal mines and mining

    Safety problems in connection with operation of rubber-tired shuttle cars

    White, J.C. / Shoemaker, G.A. | Engineering Index Backfile | 1941
    Schlagwörter: Coal mines and mining

    Entry driving with cable reel shuttle cars

    Engineering Index Backfile | 1941
    Schlagwörter: Coal mines and mining

    Modern loader mining with shuttle cars and conveyor puts Kentucky truck mine in top class

    Engineering Index Backfile | 1942
    Schlagwörter: Coal mines and mining

    Stripping employed to start recovery of 20,000 tons per acre

    Edwards, J.H. | Engineering Index Backfile | 1945
    Schlagwörter: Coal mines and mining

    Tonnage raised by adoption of shuttle-car gathering

    Engineering Index Backfile | 1945
    Schlagwörter: Coal mines and mining