Benchmark - 635
| Benchmark Number | 635 |
|---|---|
| Established In | 1915 |
| Condition | UNKNOWN |
| Latitude | 46.511 |
| Longitude | -84.36 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | NA |
| Description | G.S.C. bolt in CPR swing bridge over Canadian Ship Canal. Bolt in south end of east face of east stone retaining wall at south end of bridge, 0.3 metres from south end of wall and in first course below coping. Above Sault Ste. Marie Lock. Horizontal Position updated to NAD83CSRS in January 2010. Horizontal position updated September 2018 based on NRCan database. Previous position: N 46.511111, W 84.36 |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 1992-01-01 | 188.573 | ACTIVE | IGLD1985 |
| 1999-01-01 | 5.573 | ACTIVE | CDIGLD1985 |