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USA | |
- Big Cottonwood Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201 Calkins, F. C. Butler, B. S. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey |
- Silver King Coalition Mine Group
| Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201 Calkins, F. C. Butler, B. S. |