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USA | |
- Vulcan Mining District (Cebolla Mining District; Domingo Mining District)
| Robert C. Smith, II Ph.D, P.G. |
- Lake City Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Econ Geol (1980) 75:963-991 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- La Plata Mining District (California Mining District)
| Sorrell, Steve (n.d.) Personal communication. |
| 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. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Sunnyside Mine group, Bonita Peak, Gladstone, Eureka Mining District, San Juan County, Colorado, USA