Benchmark - SLSA2

Benchmark Number SLSA2
Established In 2002
Condition GOOD
Latitude 45.4676
Longitude -73.505108
Reference Benchmark No
Vertical Datum Code UNKNOWN
Description St Lawrence Seaway Administration (SLSA) convex bronze tablet stamped SLSA-2, set vertically on the concrete base of the first pillar of Champlain Bridge, east of the road on the jetty making up the north shore of the south shore canal. It is located on the base, at the northeast end, 11.05 m from a beacon on a support pole, 0.77 m from the northeast corner of the pillar, 0.26 m from the north face of the concrete base, 0.26 m from the east face of the concrete base and 6.75 m from the centre of the road.
Date Elevation Status Vertical Datum Code
2002-10-21 8.129 ACTIVE CD