Gold from Rico Mining District (Pioneer Mining District), Rico Mountains, Dolores County, Colorado, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
McKnight, Edwin Thor (1974) Geology and ore deposits of the Rico District, Colorado. USGS Professional Paper 723. Mineralogical Record:16(3):203-216 | |
| Mineralogical Record:16(3):203-216 |
Mineralogical Record:16(3):203-216 | |
Mineralogical Record:16(3):203-216 | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Mineralogical Record:16(3):203-216 |
| Mineralogical Record:16(3):203-216 |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |