Benchmark - 7-1981
| Benchmark Number | 7-1981 |
|---|---|
| Established In | 1981 |
| Condition | GOOD |
| Latitude | 58.259972 |
| Longitude | -68.26975 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | At Koksoak (River) at MacKay's Island a CHS aluminum plug set 12 m WSW of BM 9-1981, and 1 m below H.W. on southern most tip of MacKay's Island. Positioned with handheld GPS in 2017 +/- 6m. Updated 2017 elevations using WL transfer form on 2019-02-05. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 2017-08-01 | 6.135 | ACTIVE | CD |