Biotite schist from Idaho, USA
USA | |
| MRDS 10120350 |
| Dodson J.C., 1955, Idaho Bureau of Mines and Geology Moscow, Idaho summary report of examination mine or mineral deposit. |
USA | |
| MRDS 10120350 |
| Dodson J.C., 1955, Idaho Bureau of Mines and Geology Moscow, Idaho summary report of examination mine or mineral deposit. |