|
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| USGS Map I-1310-B Mineral Deposit Map Silver City 1x2 Quad |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
- Georgetown Mining District
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| Saathoff Collection |
| Walstrom, Robert E. (n.d.) Personal communication. |
Commercial Cramer Mine, Mimbres mines group, Georgetown Mining District, Grant County, New Mexico, USA