Benchmark - 71-U-177

Benchmark Number 71-U-177
Established In 1971
Condition GOOD
Latitude 44.50406
Longitude -80.22349
Reference Benchmark No
Vertical Datum Code UNKNOWN
Type PERMANENT_MARKER
Setting HORIZONTAL
Description A G.S.C. bronze tablet stamped 71-U-177 set in Water Treatment Plant located at end of Birch Street, tablet in southwest face of concrete tunnel, immediately southeast of brown brick and concrete building, 1.0 m below top of tunnel and 0.3m NW of the southeast edge. Horizontal Position updated to NAD83CSRS in January 2010. Coordinates taken from 2022 field notes.
Elevations
Date Elevation Status Vertical Datum Code
N/A 2.888 ACTIVE CDIGLD1985
N/A 178.896 ACTIVE IGLD1985