Benchmark - UPSO 3-1959
| Benchmark Number | UPSO 3-1959 |
|---|---|
| Established In | 1959 |
| Condition | GOOD |
| Latitude | 46.512333 |
| Longitude | -84.367389 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A CHS bronze tablet set vertically in concrete pier .3m north of the first mooring bollard west of the gauge house. Above Sault Ste. Marie Lock. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 1992-01-01 | 184.635 | ACTIVE | IGLD1985 |
| 1999-01-01 | 1.635 | ACTIVE | CDIGLD1985 |