Benchmark - 3-1957 HS est
| Benchmark Number | 3-1957 HS est |
|---|---|
| Established In | 1957 |
| Condition | UNKNOWN |
| Latitude | 62.680083 |
| Longitude | -91.202092 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A standard Hydrographic Service bronze tablet stamped BM 3-1957, cemented vertically into the bedrock on the east side of a narrow channel leading to an inland harbour along the SW coast of Marble Island; it is approx. 15 m from the inside entrance to the harbour and directly across the channel from BM 2 (57T9508). It lies about 305 metres SE of BM 1 (57T9507) and is 0.236 metres above BM 1 (57T9507). Coordinates updated in September 2023. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 4.57 | ACTIVE | CD |