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USA | |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| Lasky, S. G. (1947) Geology and ore deposits of the Little Hatchet Mountains, Hidalgo and Grant Counties, New Mexico. USGS Professional Paper 208 |
| Lasky, S. G. (1947) Geology and ore deposits of the Little Hatchet Mountains, Hidalgo and Grant Counties, New Mexico. USGS Professional Paper 208 |