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12 results returnedAnthracite mechanical mining investigations.
Anthracite mechanical mining investigations.
Anthracite mechanical mining investigations.
Anthracite mechanical-mining investigations.
Mining with a Dosco continuous miner on a longwall face
Mechanical mining in some bituminous-coal mines.
Modified longwall mining with a German coal planer.
Mechanical mining in some bituminous-coal mines.
Modified longwall mining with German coal planers :summary of operations at five coal mines
Published Year
Subject
- Coal-mining machinery (12) *
- Longwall mining--Equipment and supplies (4)
- Anthracite coal industry (2)
- Anthracite coal industry--Equipment and supplies (2)
- Bituminous coal industry--United States (2)
- Mining machinery--Cutter bars--Testing (2)
- Bituminous coal (1)
- Strip mining--Equipment and supplies (1)
Author
- Dowd, James J. (4)
- Haley, Wilbur A. (4)
- Buch, John W. (3)
- Allan, Andrew. (2)
- Dowd, J. J. (2)
- Haley, W. A. (2)
- Hartley, John C. (2)
- Shields, J. J. (2)
- Allan, Andrew, (1)
- Brennan, Robert J. (1)
- Cooner, John D. (1)
- Davies, R. S. (1)
- Davies, Russell S. (1)
- Landsidle, Clayton A. (1)
- Magnuson, M. O. (1)
- Quenon, H. A. (1)
- Stahl, R. Ward. (1)
- Turnbull, Louis A. (1)
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