|
USA | |
- Amelia (Amelia Court House)
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Am Min 53:2110 |
| 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. |
| Halladay, C.R. (1978), Rare-earth and thorium mineralization in southeastern Rappahannock County, Virginia, in Contributions to Virginia geology-III: Virginia Division of Mineral Resources Publication 7, p.87-89. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |