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USA | |
| Graeme, Richard W. (1981) Famous Mineral Localities: Bisbee, Arizona. The Mineralogical Record, 12 (5) 258-319 |
- California Mining District (Chiricahua Mining District)
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 136 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 76 Butler, B.S., et al. (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143 |
- Yellowstone Mining District
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 136, 323. |
- Helvetia-Rosemont Mining District
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130, 136. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 136 |
- Silver Hill Mining District
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 136 |
- Victorio District (Gage District)
| Walstrom 2006 New Mexico Mineral Symposium abstracts |
Snyder Hill Mine, Snyder Hill, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA