|
USA | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
- Farmville Mining District
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Giannini, W.F., Penick, D.A., Jr. & Fordham, O.M., Jr., Virginia Minerals, 32(1),11(1986) |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Rocks & Min.:60:168. |
Willis Mountain Mine, Sprouses Corner, Farmville Mining District, Buckingham County, Virginia, USA