Benchmark - 12-1976
| Benchmark Number | 12-1976 |
|---|---|
| Established In | |
| Condition | UNSTABLE |
| Latitude | 48.43985 |
| Longitude | -123.449139 |
| Coordinate Accuracy | APPROXIMATE |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | BRONZE_TABLET |
| Setting | VERTICAL |
| Description | In the Seaward Defence Establishment 0.14 metres north and 0.14 metres east of the southwest corner of a 4m x 2m concrete pad for an oil tank, 24 metres west of the eastern end of a walkway leading to Jetty D and 6 metres south of the north face of the retaining wall set in concrete, a bronze tablet marked: "Hydrographic Service Canada BM 12 1976". Previously leveled at 4.736m above Chart Datum on 21/07/1976. |
Elevations
| Date | Elevation (m) | Status | Vertical Datum Code |
|---|---|---|---|
| 2010-04-20 | 4.687 | ACTIVE | CD |
| 2010-04-20 | 2.814 | CGVD28_HTv2_0 | |
| 2010-04-20 | -15.332 | NAD83_CSRS | |
| 2.972 | ACTIVE | CGVD2013 |