SHACK RM 1
| Coordinates: | N 31.865361° W 112.755305° |
| Location: | Arizona
Pima County South of Lukeville Quad |
| Elevation: | Unknown |
| Type: | Reference Mark Disk |
| Setting: | Rock Outcrop |
| Year Established: | 1936 |
| Established By: | NGS |
| Status: | Recovered |
| Condition: | Good as of March 27, 2019 |
For more information, see: SHACK
