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Details for Benchmark: MY3128

N 42° 21.615 W 071° 02.928 (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 LONG WHARF BUILDING
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

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NO TALL IRON LIGHTNING ROD, OR FINIAL, WITH A WIND VANE PRESENT AT THIS LOCATION.

The building is still there, but it looks like what was the cupola is now a flat area.

[Photos:]
photoBoston Long Wharf Building - Minus cupola and rod

Documented History (by the NGS)

01/01/1877 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1877 (FB) STATION IS THE IRON FINIAL SURMOUNTING THE CUPOLA OF THE CUSTOM HOUSE BLOCK ON LONG WHARF.
01/01/1933 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1933 (KTA) STATION IS IN THE NORTHEASTERN SECTION OF THE CITY OF BOSTON PROPER, ABOUT 450 YARDS E OF THE CUSTOM HOUSE TOWER, ON THE TOP OF A GRANITE FACED BUILDING, KNOWN AS THE CUSTOM HOUSE BLOCK, ON LONG WHARF. THE STATION IS THE TALL IRON LIGHTNING ROD, OR FINIAL, WITH A WIND VANE, WHICH IS OVER THE CENTER OF A VERY LOW, FLAT CUPOLA. IT IS NOT PROMINENT.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (MG) RECOVERED IN GOOD CONDITION.

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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