Benchmark - 1-1957
| Benchmark Number | 1-1957 |
|---|---|
| Established In | 1957 |
| Condition | UNKNOWN |
| Latitude | 50.597833 |
| Longitude | -124.864383 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | BRONZE_TABLET |
| Setting | VERTICAL |
| Description | On the north side of Orford Bay, at western end of rock ledge, on top of smooth rounded rock outcropping, a bronze tablet marked: "Hydrographic Service Canada BM 1 1957". Note datum was lowered by 0.4 m in 1984. Old elevation was 5.181m. |
| Date | Elevation (m) | Status | Vertical Datum Code |
|---|---|---|---|
| 2014-05-13 | 5.581 | ACTIVE | CD |
| N/A | 2.646 | ACTIVE | CGVD2013 |
| 2014-05-14 | 2.413 | ACTIVE | CGVD28_HTv2_0 |
| 2014-05-14 | -11.825 | ACTIVE | NAD83_CSRS |