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USA | |
- James River-Roanoke River Mn-Fe-Ba 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. |
- Northern Section - Blue Ridge Province
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Roanoke-Botetourt Counties
| (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. |
| Ladd, Harry S. (1944) Manganese Deposits Of The Sweet Springs District West Virginia And Virginia : USGS Bulletion 940-G |
| Holland, J. D. (2006) Virginia Lithic Types: Chert, quartzite and Others. Quarterly Bulletin Virginia Archeological Society 61:137-152 |
| Holland, J. D. (2006) Virginia Lithic Types: Chert, quartzite and Others. Quarterly Bulletin Virginia Archeological Society 61:137-152 |
| Holland, J. D. (2006) Virginia Lithic Types: Chert, quartzite and Others. Quarterly Bulletin Virginia Archeological Society 61:137-152 |
- Cedar Creek Valley Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Gilbert H. Espenshade (1954) Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia. USGS Bulletin 1008 |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
| (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. |
- Russell-Tazewell Counties Barite Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Cedar Creek Valley 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. |
| Holland, J. D. (2006) Virginia Lithic Types: Chert, quartzite and Others. Quarterly Bulletin Virginia Archeological Society 61:137-152 |
- Russell-Tazewell Counties Barite 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. |
- New River-Cripple Creek Region
- Austinville-Ivanhoe 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. |