|
USA | |
| Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper 577. US Geological Survey doi:10.3133/pp577 |
| Mineral Commodity Files, Asheville Regional Office, NCGS |
| Mineral Commodity Files, Asheville Regional Office, NCGS |
| Mineral Commodity Files, Asheville Regional Office, NCGS |
| Mineral Commodity Files, Asheville Regional Office, NCGS |
| Mineral Commodity Files, Asheville Regional Office, NCGS |