Benchmark - 72-U-040
| Benchmark Number | 72-U-040 |
|---|---|
| Established In | 1972 |
| Condition | GOOD |
| Latitude | 42.6852 |
| Longitude | -82.493583 |
| Reference Benchmark | No |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A Deep G.S.C BM in reduced size manhole in grounds of Riverview Central School, on east side of Highway No 33 (3926 St Clair Pkwy), across from Marshy Creek Park, 3.36km northeast of Post Office, in front lawn, 9.6m north of centreline of main entrance to school, 7.1m southwest of northwest corner of building, 4.0m west of west wall of building bearing school name and 2.1m east of concrete curb dividing lawn and parking lot. Horizontal Position updated to NAD83CSRS in January 2010.
Hand-held GPS position: 42-41.112'N, 82-29.615'W +/- 4m, WGS84, between two tall pine trees (C.Robinson 2017-04-28) Previous position: N 42.685, W 82.495. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 177.28 | ACTIVE | IGLD1985 |
| N/A | 2.63 | ACTIVE | CDIGLD1985 |