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Details for Benchmark: MY3126

N 42° 21.624 W 071° 02.866 (NAD 83)

Altitude: 10

Coordinates may not be exact. Altitude is SCALED and location is ADJUSTED. (more info)

Location:
In SUFFOLK county, MA View Original Datasheet
Designation:
BOSTON LONG WHARF
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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AS PER 1933 REPORT.

Documented History (by the NGS)

Unknown by (MONUMENTED)
01/01/1933 by CGS (SEE DESCRIPTION)
DESCRIBED BY COAST AND GEODETIC SURVEY 1933 (KTA) LARGE BUILDINGS OF THE UNITED FRUIT COMPANY NOW COVER THE SITE OF THIS STATION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1998.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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