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Methods and costs of sinking a circular concrete-lined ventilation shaft

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

Methods and costs of shaft sinking, U.S. Atomic Energy Commission Project Gnome, near Carlsbad, New Mexico

Published Year

• 1960-1969 (3)

Subject

• Mine ventilation (3) *
• Shaft sinking (3) *
• Iron mines and mining--Alabama--Jefferson County (1)
• Mineral industries--Idaho--Shoshone County (1)
• Mineral industries--New Mexico--Carlsbad (1)
• Project Gnome (1)

Author

• Erickson, Eric G. (1)
• Howes, Merwin H. (1)
• McWilliams, John R. (1)
• Williams, Lloyd. (1)

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