Benchmark - 86L9178
| Benchmark Number | 86L9178 |
|---|---|
| Established In | 1986 |
| Condition | GOOD |
| Latitude | 45.494167 |
| Longitude | -73.517222 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | CHS zinc convex tablet stamped 86L9178, set horizontally on the west wall of the Great Lakes Pilotage Authority building at the St-Lambert lock. The marker is located 0.75 m north of the west entrance and 0.2 m below the brick. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 1986-01-01 | 7.956 | ACTIVE | CD |