Synonyme wurden verwendet für: mining
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121–140 von 2,365 Ergebnissen
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    Safety work at Britannia

    Lipsey, G.C. | Engineering Index Backfile | 1945
    Schlagwörter: Mines and mining

    Plan for coal

    Foot, R. | Engineering Index Backfile | 1945
    Schlagwörter: Coal mines and mining

      Plan for coal

      Foot, R. | 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

    More tons per man-hour with shuttle car haulage

    Engineering Index Backfile | 1945
    Schlagwörter: Salt 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

    Efficient haulage depends on power distribution

    Barnes, Jr., G.C. | Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Thirty rules for safe haulage

    Jones, D.C. | Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Underground haulage with locomotives and mine cars

    Nailler, C.R. / Hagenbuch, C.C. | Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Supplies and repairs centralized

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Shuttle cars handle output of Illinois mine

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Strip mine converts to automotive haulage

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Shuttle car gathering studies of layout, method and performance

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Shuttle cars in block system; pillaring with development

    Engineering Index Backfile | 1946
    Schlagwörter: Coal mines and mining

    Continuous ore transport

    Rausch, R.W. | Engineering Index Backfile | 1947
    Schlagwörter: Mines and mining

    Three-axle trucks transport overburden and coal

    Mitchell, D.R. | Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining

    Bituminous haulage

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

    Shuttle cars in room-and-pillar block retreat panel system

    Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining

    Underground haulage with locomotives and mine cars

    Nailer, C.R. / Hagenbuch, C.C. | Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining

    Extraction of stoops by shuttle cars and loaders

    Haldane, D. | Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining

    Belt pulls shuttle car output up 7 percent grade at Standard

    Engineering Index Backfile | 1947
    Schlagwörter: Coal mines and mining