THORO ERDL AZ MK 1
Spatial/elevation data
| Coordinates | N 38.622616° W 78.323033° |
| Elevation | Unknown |
| Location | Virginia
Madison County Old Rag Mountain Quad |
Mark description
| Type | Azimuth Mark Disk |
| Setting | Boulder |
| Monumented | 1959 by NGS |
Narrative and photographs
For more information about this reference mark, see its parent mark THORO ERDL.