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USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 162 Butler, B.S., et al. (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Robert PECORINI collection |
| MRDS database Dep. ID file #10039570, MRDS ID #M050351. |
Gallagher Vanadium & Rare Minerals Corp Mine, Tombstone Mining District, Cochise County, Arizona, USA