Benchmark - 578F
| Benchmark Number | 578F |
|---|---|
| Established In | 1954 |
| Condition | UNKNOWN |
| Latitude | 43.645 |
| Longitude | -79.378056 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | NA |
| Description | A G.S.C. bronze tablet stamped 578F set in Bay Street subway, approximately 140m north of Lakeshore Rd. Tablet set in southwest face of base of most southerly centre support, 71cm from south corner, 61cm from west corner and 33cm above street level. Horizontal Position updated to NAD83CSRS in January 2010. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 77.046 | ACTIVE | IGLD1985 |
| N/A | 2.812 | ACTIVE | CDIGLD1985 |