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Mining Practices and Safety at the Lava Cap Gold Mining Corporation Mines, Nevada City-Grass Valley District, California

Published Year

• 1940-1949 (1)

Subject

• Gold mines and mining -- California -- Nevada County. (1)
• Gold mines and mining -- Safety measures. (1)
• Lava Cap Gold Mining Corporation. (1) *

Author

• Ash, S. H. (1) *

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