Benchmark - GRON1-58
| Benchmark Number | GRON1-58 |
|---|---|
| Established In | 1959 |
| Condition | GOOD |
| Latitude | 46.5875 |
| Longitude | -72.038333 |
| Reference Benchmark | Yes |
| Vertical Datum Code | UNKNOWN |
| Type | PERMANENT_MARKER |
| Setting | HORIZONTAL |
| Description | CHS convex tablet stamped GRON-1 1958, set vertically on a rocky outcrop 3.75 m northeast of the northeast façade of street address 560. Drive on Route 138 to Grondines and then southeast on the road to the wharf. The point is on a rock formation between the wharf and a lighthouse and is under water at high tide. The BM is located 19.05 m from a beacon, 90.0 m from the lighthouse, 120.0 m from the wharf, 0.70 m from the edge of the rock and 30.0 m from the middle of the road. |
| Date | Elevation | Status | Vertical Datum Code |
|---|---|---|---|
| 2001-10-12 | 4.098 | ACTIVE | CD |