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USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210 Schrader, F.C. (1917), The geologic distribution and genesis of the metals in the Santa Rita-Patagonia Mountains, AZ, Econ.Geol.: 12: 237-269 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210 Schrader, F.C. (1917), The geologic distribution and genesis of the metals in the Santa Rita-Patagonia Mountains, Arizona, Econ.Geol.: 12: 237-269 |