Benchmark - 55
| Benchmark Number | 55 |
|---|---|
| Established In | 1960 |
| Condition | UNSTABLE |
| Latitude | N/A |
| Longitude | N/A |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A standard Hydrographic Service rock post stamped BM 55-1960, cemented into a concrete pier, top of the pier just protruding above the ground. (This BM does not appear stable.) |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 3.78 | ACTIVE | CD |