ides. River, by a narrow-gauge railway wind- fc California has but one copper mine of ing among the foothills, where it is importance, and that is in Shasta Coun- roasted in heaps and smelted into matte, ty, owned and operated by the Moun- which at present is shipped to the At- tain Copper Company,… … A SLAG LADLE TRUCK SUPPLIED TO THE UNITED VERDE COPPER CO., AT JEROME, ARIZONA, BY THE COLORADO IRON WORKS CO., DENVER, COL. gossan, or iron ore, of apparently little The southern part of California car- or no value. Down near the base at- ries a series of copper-bearing pyrite tempts had been…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
