Chalcopyrite from Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
(1911) A Manual of the Copper Industry of the World. The Copper Handbook Vol. 10. Horace J. Stevens | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |