Benchmark - 69L029

Benchmark Number 69L029
Established In
Condition GOOD
Latitude 45.49231
Longitude -73.515209
Coordinate Accuracy APPROXIMATE
Reference Benchmark No
Vertical Datum Code UNKNOWN
Type PERMANENT_MARKER
Setting HORIZONTAL
Description GSC deep marker stamped 69L029 on the sewer cover and sunk into the ground until refusal on the seaway property, on the east side of the St-Lambert lock , 14.0 m south of the centre line of the road leading to the office and observatory and 108.0 m east of the east end of the lift bridge. The marker is located 3.30 m from a beacon on a rod, 111.30 m from the St-Lambert lock, 4.0 m from a Frost fence and 21.65 m from the pavement of the entrance to the parking lot.

Elevations

Date Elevation (m) Status Vertical Datum Code
1993-07-01 8.242 ACTIVE CD