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- Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont.
- Process for recovering gold and silver from activated carbon by leaching and electrolysis
- Concentration tests of selected California-Nevada manganese ores
- Leach-precipitation-flotation tests of a California copper-gold ore
- Chloride volatilization of oxidized lead ore from Eureka, Nevada
- Experiments in reducing the phosphorus content of a Nevada iron ore