|
USA | |
| Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| [var. Rock Crystal] Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Kusler, D.J. (1969) The Mineral Industry of Virginia: United States Bureau of Mines, Department of the Interior, Minerals yearbook area reports 1958, v. 3, p. 783. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D |
- Southern Section-Blue Ridge Province
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Gossan Lead Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Little Reed Island Segment
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Henry B. Hall Farm Deposit, Carroll County, Virginia, USA