Sulphur from Okanogan County, Washington, USA
USA | |
| Randy Becker Collection |
Saul Krotki personal collection | |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
USA | |
| Randy Becker Collection |
Saul Krotki personal collection | |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA