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Placer mining in Alaska :methods and costs at operations using hydraulic and mechanical excavation equipment with nonfloating washing plants

Marketing Ores and Concentrates of Gold, Silver, Copper, Lead, and Zinc in the United States

Published Year

• 1950-1959 (1)
• 1960-1969 (1)

Subject

• Copper ores -- Marketing. (1)
• Lead ores -- Marketing. (1)
• Mines and mineral resources--Alaska (1)
• Ores -- Marketing. (1)
• Placer deposits--Alaska (1)

Author

• Kerns, William H. (2) *
• Cook, Donald J. (1)
• Fulkerson, Frank B. (1)
• Salsbury, Melford H. (1)
• Thomas, Bruce I. (1)
• Wolff, Ernest (1)

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