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USA | |
- Cheyenne Mining District (St. Peters Dome Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Mineralogical Record: 30: 277-292. |
| Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261 Rocks & Minerals Vol.65 No.4 |
| Warner, Richard, Poterala, Stephen, Fleisher, Chris (2009) A note on uranium minerals from the Spruce Pine area, North Carolina. Field Trip Guidebook. Carolina Geological Society p.29-52. |
| Rocks & Min. (2007) 82:233 |
North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA