Details for Benchmark: MY3159
N 42° 21.273 W 071° 04.636 (NAD 83)
Coordinates may not be exact. Altitude is UNKNOWN and location is ADJUSTED. (more info)
- In SUFFOLK county, MA View Original Datasheet
- BOSTON CARPET CLEAN SHOP VENT
- Marker Type:
- NGS Benchmark
- setting not listed - see description
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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.
- 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.