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- Methods 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.