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Details for Benchmark: MY3159

N 42° 21.273 W 071° 04.636 (NAD 83)

Altitude: 0

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

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

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Per the description.

Documented History (by the NGS)

Unknown by (MONUMENTED)
01/01/1934 by CGS (SEE DESCRIPTION)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (FLP) THE BUILDING ON WHICH THIS STATION WAS LOCATED, HAS BEEN GONE FOR MANY YEARS.

Control Text

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

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