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USA | |
- Yukon-Koyukuk Census Area
| (2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Lamartine 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. |
- Lower San Miguel Mining District
- Placerville 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. |
| King, Vandall T., Robinson, George W. (1991) What's New in Minerals? - Annual World Summary of Mineral Discoveries. The Mineralogical Record, 22 (5) 381-393 |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| Personal Collection of Matthew Neuzil |
| W. Dan Hausel (1994) Geology and Mineralization of the Cooper Hill Mining District, Medicine Bow Mountains, Southeastern Wyoming. Wyoming Geological Survey Report of Investigation 49. |
- Encampment Mining District
| Frank Karasti |
Anderson Ranch, Carbon County, Wyoming, USA