Quartz 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. |