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6 results returnedMethods of excavation and roof support used in some recently constructed tunnels
Development of a rotary test drill
Centrifugal testing apparatus for mine-structure stress analysis
Design of underground mine openings oil-shale mine, Rifle, Colo.
Anthracite mechanical-mining investigations :second testing of Brieden pneumatic packing machine
Raising with a suspended work cage at the Irene Shaft, Leadville, Colo.
Published Year
Subject
- Mining engineering (6) *
- Centrifugation (1)
- Drilling and boring (1)
- Mine hoisting (1)
- Mineral industries (1)
- Mines and mineral resources (1)
- Oil-shale industry (1)
- Oil-shales--Colorado (1)
- Subsidences (Earth movements) (1)
- Tunneling--Equipment and supplies (1)
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