Benchmark - 12-1959
| Benchmark Number | 12-1959 |
|---|---|
| Established In | 1959 |
| Condition | GOOD |
| Latitude | 49.12579 |
| Longitude | -123.07595 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | BRONZE_TABLET |
| Setting | VERTICAL |
| Description | At the north end of the George Massey Tunnel, east of Highway 99, at the southwest corner of the Ocean Fisheries Labelling and Receiving Warehouse, on the loading dock deck, 0.3 metre west of the southeast corner of the loading dock, a bronze tablet marked: "Hydrographic Service Canada BM 12 1959". (new datum Jan 1997 = added 0.04m). GPS data obtained from leveling to fixed point |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 2023-04-27 | 4.983 | ACTIVE | CD |
| N/A | 3.15 | ACTIVE | CGVD2013 |
| 2015-02-18 | -16.517 | ACTIVE | NAD83_CSRS |
| 2015-02-18 | 3.073 | ACTIVE | CGVD28_HTv2_0 |