Benchmark - 4-1981
| Benchmark Number | 4-1981 |
|---|---|
| Established In | 1981 |
| Condition | GOOD |
| Latitude | 58.394476 |
| Longitude | -68.213416 |
| Reference Benchmark | Yes |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A standard CHS tablet stamped 4-1981, located approximately 6.4 km from the narrows, up river on the western bank of the Koksoak. It is SE of control station CEC on the second prominent point NNE of recommended mooring # 2. It is 3m above HHW on the western end of a gully. Positioned with Trimble R9 GPS in 2017. Updated 2017 BM elevations based on water level transfer form on 2019-01-28. Coordinates updated based on 2017 PPP solution. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 2017-08-01 | 12.589 | ACTIVE | CD |