AA1731 ***********************************************************************
AA1731  DESIGNATION -  872 3868 F TIDAL
AA1731  PID         -  AA1731
AA1731  STATE/COUNTY-  FL/MONROE
AA1731  USGS QUAD   -  LOWER MATECUMBE KEY (1971)
AA1731
AA1731                         *CURRENT SURVEY CONTROL
AA1731  ___________________________________________________________________
AA1731* NAD 83(1986)-  24 50 39.     (N)    080 44 54.     (W)     SCALED
AA1731* NAVD 88     -         2.294  (meters)       7.53   (feet)  ADJUSTED
AA1731  ___________________________________________________________________
AA1731  GEOID HEIGHT-         -22.99  (meters)                     GEOID99
AA1731  DYNAMIC HT  -           2.290 (meters)       7.51  (feet)  COMP
AA1731  MODELED GRAV-     978,975.2   (mgal)                       NAVD 88
AA1731
AA1731  VERT ORDER  -  FIRST     CLASS II
AA1731
AA1731.The horizontal coordinates were scaled from a topographic map and have
AA1731.an estimated accuracy of +/- 6 seconds.
AA1731
AA1731.The orthometric height was determined by differential leveling
AA1731.and adjusted by the National Geodetic Survey in May 1994.
AA1731
AA1731.The geoid height was determined by GEOID99.
AA1731
AA1731.The dynamic height is computed by dividing the NAVD 88
AA1731.geopotential number by the normal gravity value computed on the
AA1731.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
AA1731.degrees latitude (g = 980.6199 gals.).
AA1731
AA1731.The modeled gravity was interpolated from observed gravity values.
AA1731
AA1731;                    North         East    Units  Estimated Accuracy
AA1731;SPC FL E     -    56,600.      225,440.      MT  (+/- 180 meters Scaled)
AA1731
AA1731                          SUPERSEDED SURVEY CONTROL
AA1731
AA1731  NGVD 29     -         2.751  (m)            9.03   (f) ADJUSTED    1 2
AA1731
AA1731.Superseded values are not recommended for survey control.
AA1731.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AA1731.See file dsdata.txt to determine how the superseded data were derived.
AA1731
AA1731_MARKER: DJ = TIDAL STATION DISK
AA1731_SETTING: 32 = CONCRETE BRIDGE WINGWALL
AA1731_STAMPING: 3868 F 1987
AA1731_MAGNETIC: N = NO MAGNETIC MATERIAL
AA1731_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
AA1731+STABILITY: SURFACE MOTION
AA1731_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
AA1731+SATELLITE: SATELLITE OBSERVATIONS - 1987
AA1731
AA1731  HISTORY     - Date     Condition        Recov. By
AA1731  HISTORY     - 1987     MONUMENTED       FLDNR
AA1731
AA1731                          STATION DESCRIPTION
AA1731
AA1731''DESCRIBED BY FL DEPT OF NAT RES 1987
AA1731''TO REACH THE MARK FROM THE POST OFFICE IN ISLAMORADA, GO SOUTHWEST ON
AA1731''U.S. HIGHWAY 1 FOR 9.9 MI (15.9 KM) TO THE NORTHEAST END OF THE OLD
AA1731''BRIDGE OVER CHANNEL NUMBER 2 AND THE MARK, SET IN THE NORTH WING WALL
AA1731''OF THE BRIDGE.  LOCATED 36.5 FT (11.1 M) SOUTHEAST OF THE NORTHWEST
AA1731''END OF THE WINGWALL AND 43.5 FT (13.3 M) NORTH OF BENCH MARK K 69
AA1731''RESET 1936.