- Coordinates:
- N 38.587646° W 78.359732° (estimate)
- Location:
- Elevation:
- Unknown
- Type:
- Reference Mark Disk
- Setting:
- Concrete Slab
- Year Established:
- 1959
- Established By:
- NGS
- Status:
- Not Found
- Condition:
- Unknown (Not Found) as of October 1, 2006
For more information, see: THORO ERDL
For more information, see: THORO ERDL