1940 Rotary Vacuum Filter for Gold Extraction in New Mexico
A rotary vacuum filter operates in the extraction of cyanide solution containing gold from mining tailings in Mogollon, New Mexico, in June 1940. This technique was part of the gold mining process, which utilized cyanide solutions to separate precious metals from waste materials, showcasing advancements in industrial mining methods of the time.
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1940 Rotary Vacuum Filter for Gold Extraction in New Mexico
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