Benchmark - 4-1984
| Benchmark Number | 4-1984 |
|---|---|
| Established In | N/A |
| Condition | UNKNOWN |
| Latitude | N/A |
| Longitude | N/A |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | UNKNOWN |
| Setting | NA |
| Description | A standard CHS bronze tablet stamped BM 4-1984 and set into the concrete base of the front range light on Portage Island. The BM is 1.1 m N of the N support of the light structure, and 2.0 m from the edge of the concrete base. |
| Date | Elevation (m) | Status | Vertical Datum Code |
|---|---|---|---|
| 2025-01-01 | 2.155 | ACTIVE | CD |