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Methods and costs of deepening the Crescent shaft, Bunker Hill & Sullivan Mining and Concentrating Company, Kellogg, Shoshone County, Idaho

Using precast reinforced-concrete sets in the Pioneer Tunnel of Great Northern Railway's Cascade Tunnel, King County, Wash.

Published Year

• 1950-1959 (2) *

Subject

• Lead mines and mining--Idaho--Shoshone County (1)
• Precast concrete (1)
• Prospecting--Idaho--Shoshone County--Costs (1)
• Shaft sinking (1)
• Shaft sinking--Costs (1)
• Tunnels (1)

Author

• Parsons, Edward W. (2) *
• Olds, E. B. (1)

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