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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 227. |
| Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 227. |
| Manske, S. L., & Paul, A. H. (2002). Geology of a major new porphyry copper center in the Superior (Pioneer) district, Arizona. Economic Geology, 97(2), 197-220. |