Unknown Author (1917) Great Phelps Dodge and Company, located in Sonora, near Nacozari, one of the most modern and most productive of mines in Northern Mexico—Mines located seven miles from big concentrator site. The property of the Moctezuma Copper Company, one of the subsidiaries of Phelps Dodge & Co., is located in Northern Sonora, Mexico. … Sigue leyendo Moctezuma Copper Company Producing At Very Great Rate (1917)