|
USA | |
- Centennial Ridge Mining District (La Plata Mining District)
| (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. |
- Keystone Mining District - Douglas Creek Mining District
| Loucks, R. R. (1976). Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming (Masters thesis, Colorado State University). |
| Rocks & Minerals 76:382 |
| Loucks, R. R. (1976). Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming (Masters thesis, Colorado State University). www.turnstone.ca/newram.htm Copper Handbook 1911 |
| Rocks & Minerals 76:383 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |