PBB 17
| Coordinates: | N 33.716638° W 115.808666° |
| Location: | California
Riverside County Cottonwood Spring Quad |
| Elevation: | Unknown |
| Type: | Gravity Station Disk |
| Setting: | Rock Outcrop |
| Monumented: | 1976 |
| Monumented By: | USGS |
| Status: | Recovered |
| Condition: | Good as of March 30, 2019 |
- Official Description: Unavailable.
This was one of the two gravity disks very close to 106 DOR USGS. This one is set on the same boulder, just a few inches away from the USGS disk. Very unusual!
