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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. |
| 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. |
| Newcomer,Robert W.,Romig,Douglas E.,Niccoli,Walter.,(2008) Closure And Reclamation Of The Hanover-Empire Zinc Mine Area,Grant County,New Nexico New Mexico Geological Society Guidebook,Geology of the Gila Wilderness,Silver City Area,2008,pp.151-158 |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
- Santa Rita Mining District
| NMGS 21st Field Conference |