Molybdenite from Big Cottonwood Mining District, Salt Lake County, Utah, USA
USA | |
| Rick Dalrymple Collection & photo |
| Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey |
USA | |
| Rick Dalrymple Collection & photo |
| Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey |
Alta Tunnel, Silver Fork, Big Cottonwood Mining District, Salt Lake County, Utah, USA