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3 results returnedMining methods and costs at the Holden Mine, Chelan Division, Howe Sound Co., Chelan County, Wash.
Methods and costs of shaft sinking in the Coeur d'Alene District, Shoshone County, Idaho
Published Year
Subject
- Copper mines and mining--Washington (State)--Chelan County (1)
- Mine ventilation (1)
- Mineral industries--Idaho--Shoshone County (1)
- Rocks--Testing (1)
- Shaft sinking (1)
- Ultrasonic testing (1)
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