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USA | |
- Rico Mining District (Pioneer 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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Kucera, Ken (2021) The Bulldog Mountain Mine (aka Bulldog Mine), Blocks of Nearly Solid Silver, Creede Mining District, Mineral County, Colorado. CSM-Museum-Newsletter, 1-45 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Summitville Mining District (Summit Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Gray, et al (1993) |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Mount Wilson 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. |
| All minerals were personally collected, and identified by David Aldridge, additional analysis perormed by Donald Slater, final analysis done by Carol Fry |