Sphalerite from Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
USA | |
| Loucks, R. R. (1976). Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming (Masters thesis, Colorado State University). |
Loucks, Robert R. (1976) Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming. MSc thesis, Colorado State University, Fort Collins, Colorado, 298 pages. | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |