Synonyms were used for: Bergbau
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    3700-level haulage system

    Thomas, M.A. | Engineering Index Backfile | 1952
    Keywords: Mines and mining

    Accidents at coal face and their prevention

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

    Accidents from use of explosives

    Stark, Jared W. | Engineering Index Backfile | 1909
    Keywords: Mining

    Advantages of moving iron ore by underground conveyors

    Engineering Index Backfile | 1951
    Keywords: Iron mines and mining

    A haulage system with gathering locomotives only

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

      A haulage system with gathering locomotives only

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

    Air lift to labrador iron fields

    Illingworth, F. | Engineering Index Backfile | 1951
    Keywords: Iron mines and mining

    Airplane's aid to Alaskan mining

    Patty, E.N. | Engineering Index Backfile | 1937
    Keywords: Mines and mining

    Airplane transport to remote Peruvian mines

    Wright, C.W. | Engineering Index Backfile | 1940
    Keywords: Mines and mining

    Air transport and mining

    Trost, H.R. | Engineering Index Backfile | 1932
    Keywords: Mines and mining

    Aussie iron ore bounds ahead

    Engineering Index Backfile | 1967
    Keywords: Iron mines and mining

    Automatic track-brake system for man-haulage

    Bavin, T. / Crook, A.E. | Engineering Index Backfile | 1943
    Keywords: Coal mines and mining

    Automatic track maintenance underground

    Engineering Index Backfile | 1963
    Keywords: Mines and mining

    Auto trucks underground

    Montgomery, G. | Engineering Index Backfile | 1956
    Keywords: Mines and mining

    Bituminous haulage

    Young, W.H. / Anderson, R.L. | Engineering Index Backfile | 1947
    Keywords: Coal mines and mining

    Bituminous strippers install shovels and draglines and adopt larger automotive haulage units

    Engineering Index Backfile | 1941
    Keywords: Coal mines and mining

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

    Engineering Index Backfile | 1935
    Keywords: Coal mines and mining

    Chino puts electric wheel truck on trolley line

    Schmidt, D.W. / Shuster, J.W. | Engineering Index Backfile | 1968
    Keywords: Copper mines and mining

    Coal in Natal

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

    Coal safety in 1949

    Moyer, F.T. | Engineering Index Backfile | 1950
    Keywords: Coal mines and mining

    Colliery railway sidings

    Parker, J.W. | Engineering Index Backfile | 1928
    Keywords: Coal mines and mining