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Methods and costs of shaft sinking in the Coeur d'Alene District, Shoshone County, Idaho

An acoustical bench for an ultrasonic pulse system

Published Year

• 1960-1969 (2) *

Subject

• Mine ventilation (1)
• Mineral industries--Idaho--Shoshone County (1)
• Rocks--Testing (1)
• Shaft sinking (1)
• Ultrasonic testing (1)

Author

• McWilliams, John R. (2) *
• Bur, Thomas Robert, (1)
• Erickson, Eric G. (1)
• Thill, Richard E. (1)

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