In 1953 the property was acquired by the Anaconda Copper Company, which ran the mine until it ceased operations in 1978 due to a low copper prices and declining grades in the pit.
In 1953 the property was acquired by the Anaconda Copper Company, which ran the mine until Anaconda was taken over by Atlantic Richfield Company. Atlantic Richfield ceased mining operations in 1978 due to a low copper prices and declining grades in the pit.