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Experimental extraction of gold and silver from California and Nevada ores

Published Year

• 1960-1969 (1)

Subject

• Gold ores--California (1)
• Gold ores--Nevada (1)
• Silver ores--California (1) *
• Silver ores--Nevada (1)

Author

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

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