Benchmark -
| Benchmark Number | 77C010 |
|---|---|
| Established In | 1977 |
| Condition | UNSTABLE |
| Latitude | 49.017 |
| Longitude | -123.116 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | Located 4.8km southwest of the intersection of 56th Street and Highway 17 S , on the BC Ferry Causeway, 19.2 metres southwest of the overhead sign base, 2 metres west of the light standard, 2 metres northwest of the concrete guardrail, slightly below the road level, is set a deep geodetic Bench Mark: 77C010. (BM is unstable. 1978 levelling from BM 19-1959 elevation = 6.498m)(1996 = 6.478m). |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 3.641 | ACTIVE | CGVD2013 |
| 2011-03-14 | 3.58 | ACTIVE | CGVD28_HTv2_0 |
| 2011-03-14 | -16.258 | ACTIVE | NAD83_CSRS |
| N/A | 6.493 | ACTIVE | CD |