(Unknown Author) “It is considered one of the great copper properties of the world.” (1917) – The Moctezuma Copper Company, operating in the Moctezuma mining district of Sonora, 75 miles below Douglas, equal to the production with present equipment of around 40,000,000 pounds of copper per year, is the outgrowth of the entry of Phelps-Dodge … Sigue leyendo Moctezuma Copper Company, First Important Sonora Producer (1917)