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Placer mining in the western United States :part 1. general information, hand-shoveling, and ground-sluicing

Placer mining in the western United States :part II. Hydraulicking, treatment of placer concentrates, and marketing of gold

Gold and silver leaching practices in the United States

Published Year

• 1930-1939 (2)
• 1980-1989 (1)

Subject

• Gold mines and mining--United States (3) *
• Hydraulic mining (2)
• Silver mines and mining--United States (1)
• Solution mining--United States (1)

Author

• Gardner, E. D. (2)
• Johnson, C. H. (2)
• Chamberlain, Peter G., (1)
• Pojar, Michael G. (1)

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