Benchmark - 84 - 1
| Benchmark Number | 84 - 1 |
|---|---|
| Established In | 1984 |
| Condition | UNSTABLE |
| Latitude | 42.659111 |
| Longitude | -81.213444 |
| Reference Benchmark | Yes |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | VERTICAL |
| Description | A W.S.C. plug set vertically in the top of the concrete wharf 0.4m from the easterly edge, 9m north of the gauge. Post wharf refurbishment BM found to have moved vertically (2018). Unique number changed June 2021 from 84U9591 to 84U3004 to match NRCAN database. Latitude updated May 2019 based on March 2018 site photos of the handheld GPS (previously was 42.659056). Inspected in 2019, field crew did not take coordinates at this time. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| N/A | 2.387 | ACTIVE | CDIGLD1985 |
| 1992-01-01 | 175.885 | HISTORICAL | IGLD85 |