|
USA | |
- Galena Mining District (Henson Creek Mining District)
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Lake City Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| [var. Pitchblende] (2005) Mineral Resources Data System (MRDS), US Geological Survey. Econ Geol (1985) 80:410-417 Econ Geol (1980) 75:963-991 |
| 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. |
| [var. Pitchblende] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |