Benchmark - 78L263
| Benchmark Number | 78L263 |
|---|---|
| Established In | 1978 |
| Condition | GOOD |
| Latitude | 45.866389 |
| Longitude | -73.1475 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | HORIZONTAL |
| Description | Convex tablet set at the top of the west concrete wall of the lock on the Richelieu River. The wall is located at the northeastern tip of the island, 1.85 m from geodetic point 8427004. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 2017-11-15 | 3.183 | ACTIVE | CD |