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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Silver Cliff Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Bonanza Mining District (Kerber Creek Mining District; Blake Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. American Mineralogist (1930) 15: 272-273 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Cripple Creek Mining District
| King, Van (n.d.) Personal communcation. |
| Carnein, Carl R., Bartos, Paul J. (2005) Famous mineral localities: The Cripple Creek Mining District, Colorado, in March - April 2005. The Mineralogical Record, 36 (2) 143-185 |
Beacon Hill Mine, Cripple Creek Mining District, Teller County, Colorado, USA