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Mining practice at Harmony Mines Co., Baker, Idaho

Mining methods and costs at the Hecla and Star mines, Burke, Idaho

Reconnaissance of placer mining in Boise County, Idaho

Published Year

• 1930-1939 (3) *

Subject

• Mines and mineral resources--Idaho (3) *
• Mineral industries--Idaho (2)
• Placer deposits--Idaho (1)

Author

• Foreman, Charles H. (1)
• Gardner, R. Duncan. (1)
• Metzger, O. H. (1)

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