GIRR RM 1
| Coordinates: | N 41.119283° W 74.945283° (estimate) |
| Location: | New Jersey
Sussex County Flatbrookville Quad |
| Elevation: | Unknown |
| Type: | Reference Mark Disk |
| Setting: | Rock Outcrop |
| Year Established: | 1938 |
| Established By: | New Jersey Division of Conservation and Development |
| Status: | Not Found |
| Condition: | Unknown (Not Found) as of April 10, 2007 |
For more information, see: GIRR