Benchmark - 7-1981

Benchmark Number 7-1981
Established In 1981
Condition GOOD
Latitude 58.259972
Longitude -68.26975
Reference Benchmark No
Vertical Datum Code UNKNOWN
Type PERMANENT_MARKER
Setting VERTICAL
Description At Koksoak (River) at MacKay's Island a CHS aluminum plug set 12 m WSW of BM 9-1981, and 1 m below H.W. on southern most tip of MacKay's Island. Positioned with handheld GPS in 2017 +/- 6m. Updated 2017 elevations using WL transfer form on 2019-02-05.
Elevations
Date Elevation Status Vertical Datum Code
2017-08-01 6.135 ACTIVE CD