AA9627 ***********************************************************************
AA9627  DESIGNATION -  DOSO
AA9627  PID         -  AA9627
AA9627  STATE/COUNTY-  NY/NASSAU
AA9627  USGS QUAD   -  MAMARONECK (1975)
AA9627
AA9627                         *CURRENT SURVEY CONTROL
AA9627  ___________________________________________________________________
AA9627* NAD 83(1996)-  40 53 36.73210(N)    073 38 08.27734(W)     ADJUSTED
AA9627* NAVD 88     -         3.4    (meters)      11.     (feet)  VERTCON
AA9627  ___________________________________________________________________
AA9627  X           -   1,360,353.633 (meters)                     COMP
AA9627  Y           -  -4,632,720.344 (meters)                     COMP
AA9627  Z           -   4,153,474.996 (meters)                     COMP
AA9627  LAPLACE CORR-           2.21  (seconds)                    DEFLEC99
AA9627  ELLIP HEIGHT-         -27.54  (meters)                     GPS OBS
AA9627  GEOID HEIGHT-         -30.93  (meters)                     GEOID99
AA9627
AA9627  HORZ ORDER  -  THIRD
AA9627  ELLP ORDER  -  FOURTH    CLASS I
AA9627
AA9627.The horizontal coordinates were established by GPS observations
AA9627.and adjusted by the National Geodetic Survey in January 1999.
AA9627
AA9627.The NAVD 88 height was computed by applying the VERTCON shift value to
AA9627.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
AA9627
AA9627.The X, Y, and Z were computed from the position and the ellipsoidal ht.
AA9627
AA9627.The Laplace correction was computed from DEFLEC99 derived deflections.
AA9627
AA9627.The ellipsoidal height was determined by GPS observations
AA9627.and is referenced to NAD 83.
AA9627
AA9627.The geoid height was determined by GEOID99.
AA9627
AA9627;                    North         East     Units   Scale      Converg.
AA9627;SPC NY L     -    80,780.402   330,705.158   MT  0.99999519 +0 14 18.0
AA9627;UTM  18      - 4,527,834.665   614,931.397   MT  0.99976258 +0 53 35.8
AA9627
AA9627                          SUPERSEDED SURVEY CONTROL
AA9627
AA9627  NAD 83(1996)-  40 53 36.73468(N)    073 38 08.27650(W) AD(       ) 3
AA9627  NAD 83(1986)-  40 53 36.73514(N)    073 38 08.27829(W) AD(       ) 3
AA9627  NGVD 29     -         3.7    (m)           12.     (f) GPS OBS
AA9627
AA9627.Superseded values are not recommended for survey control.
AA9627.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AA9627.See file dsdata.txt to determine how the superseded data were derived.
AA9627
AA9627_MARKER: DD = SURVEY DISK
AA9627_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE
AA9627_STAMPING: DOSO 1990
AA9627_MAGNETIC: N = NO MAGNETIC MATERIAL
AA9627_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
AA9627_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
AA9627+SATELLITE: SATELLITE OBSERVATIONS - 1990
AA9627
AA9627  HISTORY     - Date     Condition        Recov. By
AA9627  HISTORY     - 1990     MONUMENTED       NOS
AA9627
AA9627                          STATION DESCRIPTION
AA9627
AA9627''DESCRIBED BY NATIONAL OCEAN SERVICE 1990 (CSM)
AA9627''STATION IS LOCATED ON LONG ISLAND, NEW YORK, ALONG THE SOUTH SHORE OF
AA9627''LONG ISLAND SOUND ABOUT 1.5 NAUTICAL MILES NORTHEAST OF GLEN COVE AT
AA9627''THE NORTHEAST CORNER OF A STONE BRIDGE CONNECTING EAST ISLAND AND
AA9627''DOSORIS ISLAND.  TO REACH THE STATION FROM THE JUNCTION OF N.Y. HWY
AA9627''107 AND N.Y. HWY 25A IN THE VILLAGE OF OLD BROOKVILLE, TAKE N.Y. HWY
AA9627''107 (CEDAR SWAMP ROAD) NORTH FOR 4.3 KM (2.65 MI) TO A POINT WHERE
AA9627''N.Y. HWY 107 FORKS OFF TO THE LEFT, BEAR RIGHT ON CEDAR SWAMP ROAD AND
AA9627''CONTINUE FOR 1.15 KM (0.70 MI) TO PEARSALL AVENUE ON THE RIGHT, TURN
AA9627''RIGHT ONTO PEARSALL AVENUE AND GO NORTHEAST FOR 0.4 KM (0.25 MI) TO
AA9627''WALNUT ROAD ON THE LEFT, TURN LEFT ONTO WALNUT ROAD AND PROCEED NORTH
AA9627''AND NORTHWEST FOR 0.8 KM (0.50 MI) TO DOSORIS WAY ON THE LEFT, TURN
AA9627''LEFT ONTO DOSORIS WAY AND PROCEED WEST AND NORTH FOR 3.0 KM (1.85 MI)
AA9627''TO THE END OF DOSORIS WAY AT A T INTERSECTION, BEAR LEFT ONTO DANAS
AA9627''ISLAND HWY AND PROCEED 0.8 KM (0.50 MI) TO JUST ACROSS THE STONE
AA9627''BRIDGE AND THE STATION ON THE LEFT.  THE STATION IS AN NOS BRONZE DISK
AA9627''STAMPED ---DOSO 1990--- WHICH IS CEMENTED INTO A DRILL HOLE IN A 0.60
AA9627''M (1.97 FT) BY 1.52 M (4.99 FT) CONCRETE SLAB ON THE NORTH SIDE OF THE
AA9627''EAST END OF THE BRIDGE.  THE DISK IS 0.05 M (0.16 FT) ABOVE GROUND
AA9627''LEVEL.  IT IS 3.83 M (12.57 FT) NORTH OF THE CENTERLINE OF THE ROAD,
AA9627''1.907 M (6.257 FT) WEST OF A METAL SIGNPOST WITH A WITNESS SIGN
AA9627''ATTACHED TO ITS WEST FACING, 1.19 M (3.90 FT) OF THE LARGER OF 2 DRILL
AA9627''HOLES IN THE GRANITE CURBING OF THE NORTH SIDE OF THE BRIDGE AND 0.55
AA9627''M (1.80 FT) SOUTH OF THE NORTH EDGE OF THE CONCRETE SLAB. THE STATION
AA9627''WAS POSITIONED BY GPS OBSERVATIONS.  DESCRIBED BY C S MIDDLETON JR.