Imágenes históricas

Phelps Dodge Refining Company Copper 1919 El Paso Texas - Available at KNOWOL
Phelps Dodge Copper Refining Plant El Paso 1938 - Available at KNOWOL
Phelps Dodge Copper Refining Plant El Paso 1950 - Available at KNOWOL
Phelps Dodge Copper Refining Company El Paso 1940 - Available at KNOWOL
Phelps Dodge Copper Recovery Process El Paso 1935 - Available at KNOWOL
Phelps Dodge Copper Refining Plant Interior 1952 - Available at KNOWOL
Pure Copper Ingots Processed by Phelps Dodge 1910 - Available at KNOWOL
Molten Copper Poured at Phelps Dodge Refining 1920 - Available at KNOWOL
Phelps Dodge Copper Casting House El Paso 1907 - Available at KNOWOL
Phelps Dodge Copper Refining El Paso Texas 1910 - Available at KNOWOL
Copper Charging Process in Reverberatory Furnace 1905 - Available at KNOWOL
Phelps Dodge Copper Plant Furnace El Paso Texas 1950 - Available at KNOWOL
Vintage 1960 El Paso Copper Electrolytic Tanks Image - Available at KNOWOL
Phelps Dodge Copper Ingot Casting El Paso 1943 - Available at KNOWOL
Copper Melting and Casting at Phelps Dodge 20th Century - Available at KNOWOL
Vintage Copper Production at Phelps Dodge El Paso 20th Century - Available at KNOWOL
Copper Refining Process at Phelps Dodge El Paso 1919 - Available at KNOWOL
Copper Sheets on Conveyors at Phelps Dodge 1940 - Available at KNOWOL
Phelps Dodge Copper Refining Yards El Paso Texas 1955 - Available at KNOWOL
Phelps Dodge Copper Refining in El Paso Texas 1940 - Available at KNOWOL
Electrolysis Copper Sheets at Phelps Dodge 1920 - Available at KNOWOL
Vintage Copper Electrolysis Process Circa 1900 - Available at KNOWOL
Copper Production Process 1907 El Paso Texas - Available at KNOWOL
Pure Copper Sheets from Phelps Dodge El Paso Circa 1900 - Available at KNOWOL