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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. |
| Econ Geol. (1995) 90:1994-2005 |
| Jahns, Richard H., Ewing, Rodney C. (1977) The Harding Mine, Taos County, New Mexico. The Mineralogical Record, 8 (2) 115-126 |
| 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. |
Harding Mine, Picuris District, Taos County, New Mexico, USA