MA0087 ***********************************************************************
MA0087  DESIGNATION -  B 352
MA0087  PID         -  MA0087
MA0087  STATE/COUNTY-  PA/POTTER
MA0087  USGS QUAD   -  COUDERSPORT (1983)
MA0087
MA0087                         *CURRENT SURVEY CONTROL
MA0087  ___________________________________________________________________
MA0087* NAD 83(1986)-  41 45 47.     (N)    078 02 17.     (W)     SCALED
MA0087* NAVD 88     -       496.674  (meters)    1629.50   (feet)  ADJUSTED
MA0087  ___________________________________________________________________
MA0087  GEOID HEIGHT-         -31.63  (meters)                     GEOID99
MA0087  DYNAMIC HT  -         496.465 (meters)    1628.82  (feet)  COMP
MA0087  MODELED GRAV-     980,184.7   (mgal)                       NAVD 88
MA0087
MA0087  VERT ORDER  -  SECOND    CLASS 0
MA0087
MA0087.The horizontal coordinates were scaled from a topographic map and have
MA0087.an estimated accuracy of +/- 6 seconds.
MA0087
MA0087.The orthometric height was determined by differential leveling
MA0087.and adjusted by the National Geodetic Survey in June 1991.
MA0087
MA0087.The geoid height was determined by GEOID99.
MA0087
MA0087.The dynamic height is computed by dividing the NAVD 88
MA0087.geopotential number by the normal gravity value computed on the
MA0087.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
MA0087.degrees latitude (g = 980.6199 gals.).
MA0087
MA0087.The modeled gravity was interpolated from observed gravity values.
MA0087
MA0087;                    North         East    Units  Estimated Accuracy
MA0087;SPC PA N     -   177,330.      576,050.      MT  (+/- 180 meters Scaled)
MA0087
MA0087                          SUPERSEDED SURVEY CONTROL
MA0087
MA0087  NGVD 29     -       496.805  (m)         1629.93   (f) ADJ UNCH    2 0
MA0087
MA0087.Superseded values are not recommended for survey control.
MA0087.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MA0087.See file dsdata.txt to determine how the superseded data were derived.
MA0087
MA0087_MARKER: DD = SURVEY DISK
MA0087_SETTING: 36 = BRIDGE
MA0087_STAMPING: B 352 1968
MA0087_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
MA0087
MA0087  HISTORY     - Date     Condition        Recov. By
MA0087  HISTORY     - 1968     MONUMENTED       PADH
MA0087  HISTORY     - 1968     GOOD             NGS
MA0087
MA0087                          STATION DESCRIPTION
MA0087
MA0087''DESCRIBED BY NATIONAL GEODETIC SURVEY 1968
MA0087''1.4 MI W FROM COUDERSPORT.
MA0087''1.4 MILES WEST ALONG U.S. HIGHWAY 6 FROM THE COURT HOUSE IN
MA0087''COUDERSPORT, SET IN THE TOP OF THE SOUTHWEST WINGWALL OF A BRIDGE,
MA0087''23 FEET SOUTH OF THE CENTERLINE OF HIGHWAY, AND IS ABOUT 1 FOOT
MA0087''BELOW THE LEVEL OF THE HIGHWAY.