Benchmark - 75U3004

Benchmark Number SLSA
Established In 1975
Condition UNKNOWN
Latitude 42.873081
Longitude -79.251414
Reference Benchmark No
Vertical Datum Code UNKNOWN
Type PERMANENT_MARKER
Setting HORIZONTAL
Description A S.L.S.A. tablet set horizontally in the north wall of the electrical maintenance building at Maple Leaf Mills in Port Colborne. The tablet is set in the first concrete pillar 2.4m from the northwest corner, 37cm above ground, 14.7m from the southwest corner of the office building and 8m from the northwest corner of the pumphouse. Horizontal Position updated to NAD83CSRS in January 2010.

Horizontal position updated September 2018 based on description and Google Earth. Previous position: N 42.873056, W 79.251111.

Elevations
Date Elevation Status Vertical Datum Code
N/A 3.073 ACTIVE CDIGLD1985
N/A 176.549 ACTIVE IGLD1985