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Preliminary tests of gold and zinc ores from Buzzard mine, Placerville, Calif.

Published Year

• 1940-1949 (1)

Subject

• Gold ores--California--Placerville Region--Testing (1) *
• Mine examination--California--Placerville Region (1)
• Zinc ores--California--Placerville Region--Testing (1)

Author

• Engel, A. L. (1)
• Heinen, H. J. (1) *

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