MY3128 ***********************************************************************
MY3128  DESIGNATION -  BOSTON LONG WHARF BUILDING
MY3128  PID         -  MY3128
MY3128  STATE/COUNTY-  MA/SUFFOLK
MY3128  USGS QUAD   -
MY3128
MY3128                         *CURRENT SURVEY CONTROL
MY3128  ___________________________________________________________________
MY3128* NAD 83(1996)-  42 21 36.87887(N)    071 02 55.66231(W)     ADJUSTED
MY3128* NAVD 88     -
MY3128  ___________________________________________________________________
MY3128  LAPLACE CORR-           3.03  (seconds)                    DEFLEC99
MY3128  GEOID HEIGHT-         -27.69  (meters)                     GEOID99
MY3128
MY3128  HORZ ORDER  -  THIRD
MY3128
MY3128.The horizontal coordinates were established by classical geodetic methods
MY3128.and adjusted by the National Geodetic Survey in June 1998.
MY3128
MY3128
MY3128.The Laplace correction was computed from DEFLEC99 derived deflections.
MY3128
MY3128.The geoid height was determined by GEOID99.
MY3128
MY3128;                    North         East     Units   Scale      Converg.
MY3128;SPC MA M     - 2,956,624.67    778,114.37   sFT  0.99996842 +0 18 11.1
MY3128;SPC MA M     -   901,181.003   237,169.734   MT  0.99996842 +0 18 11.1
MY3128;UTM  19      - 4,691,807.956   331,280.672   MT  0.99995025 -1 22 50.8
MY3128
MY3128                          SUPERSEDED SURVEY CONTROL
MY3128
MY3128  NAD 83(1996)-  42 21 36.87753(N)    071 02 55.66163(W) AD(       ) 4
MY3128  NAD 83(1992)-  42 21 36.87755(N)    071 02 55.66183(W) AD(       ) 4
MY3128  NAD 83(1992)-  42 21 36.88156(N)    071 02 55.66020(W) AD(       ) 4
MY3128  NAD 83(1986)-  42 21 36.88060(N)    071 02 55.66140(W) AD(       ) 4
MY3128  NAD 27      -  42 21 36.53000(N)    071 02 57.48000(W) AD(       ) 3
MY3128
MY3128.Superseded values are not recommended for survey control.
MY3128.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MY3128.See file dsdata.txt to determine how the superseded data were derived.
MY3128
MY3128  HISTORY     - Date     Condition        Recov. By
MY3128  HISTORY     - 1877     MONUMENTED       CGS
MY3128  HISTORY     - 1933     SEE DESCRIPTION  CGS
MY3128  HISTORY     - 1989     GOOD             USPSQD
MY3128
MY3128                          STATION DESCRIPTION
MY3128
MY3128''DESCRIBED BY COAST AND GEODETIC SURVEY 1877 (FB)
MY3128''STATION IS THE IRON FINIAL SURMOUNTING THE CUPOLA OF THE CUSTOM
MY3128''HOUSE BLOCK ON LONG WHARF.
MY3128
MY3128                          STATION RECOVERY (1933)
MY3128
MY3128''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1933 (KTA)
MY3128''STATION IS IN THE NORTHEASTERN SECTION OF THE CITY OF BOSTON
MY3128''PROPER, ABOUT 450 YARDS E OF THE CUSTOM HOUSE TOWER, ON THE TOP
MY3128''OF A GRANITE FACED BUILDING, KNOWN AS THE CUSTOM HOUSE BLOCK, ON
MY3128''LONG WHARF.  THE STATION IS THE TALL IRON LIGHTNING ROD, OR
MY3128''FINIAL, WITH A WIND VANE, WHICH IS OVER THE CENTER OF A VERY LOW,
MY3128''FLAT CUPOLA.  IT IS NOT PROMINENT.
MY3128
MY3128                          STATION RECOVERY (1989)
MY3128
MY3128''RECOVERY NOTE BY US POWER SQUADRON 1989 (MG)
MY3128''RECOVERED IN GOOD CONDITION.