HT1660 ***********************************************************************
HT1660  DESIGNATION -  E 323=2744
HT1660  PID         -  HT1660
HT1660  STATE/COUNTY-  CA/SANTA CLARA
HT1660  USGS QUAD   -  CUPERTINO (1991)
HT1660
HT1660                         *CURRENT SURVEY CONTROL
HT1660  ___________________________________________________________________
HT1660* NAD 83(1986)-  37 21 09.     (N)    122 01 57.     (W)     SCALED
HT1660* NAVD 88     -        49.82   (+/-2cm)     163.5    (feet)  VERTCON
HT1660  ___________________________________________________________________
HT1660  GEOID HEIGHT-         -32.63  (meters)                     GEOID99
HT1660
HT1660  VERT ORDER  -  FIRST     CLASS II (See Below)
HT1660
HT1660.The horizontal coordinates were scaled from a topographic map and have
HT1660.an estimated accuracy of +/- 6 seconds.
HT1660
HT1660.The NAVD 88 height was computed by applying the VERTCON shift value to
HT1660.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
HT1660.The vertical order pertains to the superseded datum.
HT1660
HT1660.The geoid height was determined by GEOID99.
HT1660
HT1660;                    North         East    Units  Estimated Accuracy
HT1660;SPC CA 3     -   595,720.    1,864,230.      MT  (+/- 180 meters Scaled)
HT1660
HT1660                          SUPERSEDED SURVEY CONTROL
HT1660
HT1660  NGVD 29     -        48.994  (m)          160.74   (f) ADJ UNCH    1 2
HT1660
HT1660.Superseded values are not recommended for survey control.
HT1660.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HT1660.See file dsdata.txt to determine how the superseded data were derived.
HT1660
HT1660_MARKER: DB = BENCH MARK DISK
HT1660_SETTING: 30 = WALL
HT1660_STAMPING: E 323
HT1660_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
HT1660
HT1660  HISTORY     - Date     Condition        Recov. By
HT1660  HISTORY     - UNK      MONUMENTED       CGS
HT1660  HISTORY     - 1967     GOOD             NGS
HT1660
HT1660                          STATION DESCRIPTION
HT1660
HT1660''DESCRIBED BY NATIONAL GEODETIC SURVEY 1967
HT1660''1.4 MI S FROM SUNNYVALE.
HT1660''0.65 MILES SOUTHEAST ALONG MATHILDA AVENUE FROM THE CITY HALL
HT1660''AT SUNNYVALE, THENCE 0.7 MILE SOUTH ALONG SARATOGA-SUNNYVALE
HT1660''ROAD, 0.05 MILE NORTH OF THE INTERSECTION OF FREMONT AVENUE, AT
HT1660''THE MIDDLE EAST ENTRANCE TO FREMONT UNION HIGH SCHOOL, SET
HT1660''VERTICALLY IN THE EAST WALL, 1.3 FEET NORTH OF THE NORTH EDGE
HT1660''OF THE ARCH ENTRANCE, 177 FEET WEST OF THE CENTER LINE OF THE
HT1660''ROAD, AND ABOUT 1/2 FOOT ABOVE THE FLOOR OF THE PORCH.