Benchmark - 2-1958 HS est
| Benchmark Number | 2-1958 HS est |
|---|---|
| Established In | |
| Condition | GOOD |
| Latitude | 59.988326 |
| Longitude | -70.079969 |
| Coordinate Accuracy | APPROXIMATE |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A standard Hydrographic Service bronze tablet stamped BM 2-1958, cemented in bedrock 9 m from high water line and 7.6 m SW of BM 1.<p> Coordinates from GPS occupation in 2006 |
Elevations
| Date | Elevation (m) | Status | Vertical Datum Code |
|---|---|---|---|
| 2006-07-18 | 8.958 | ACTIVE | CGVD28_HTv2_0 |
| 1958-08-01 | 14.32 | HISTORICAL | CD |
| 2006-07-18 | -13.326 | ACTIVE | NAD83_CSRS |
| 2006-07-18 | 8.879 | ACTIVE | CGVD2013 |
| 2018-01-01 | 15.24 | ACTIVE | CD |