HT1854 ***********************************************************************
HT1854  DESIGNATION -  L 1253
HT1854  PID         -  HT1854
HT1854  STATE/COUNTY-  CA/ALAMEDA
HT1854  USGS QUAD   -  OAKLAND EAST (1997)
HT1854
HT1854                         *CURRENT SURVEY CONTROL
HT1854  ___________________________________________________________________
HT1854* NAD 83(1986)-  37 49 57.     (N)    122 13 00.     (W)     SCALED
HT1854* NAVD 88     -       192.72   (+/-2cm)     632.3    (feet)  VERTCON
HT1854  ___________________________________________________________________
HT1854  GEOID HEIGHT-         -32.16  (meters)                     GEOID99
HT1854
HT1854  VERT ORDER  -  FIRST     CLASS I (See Below)
HT1854
HT1854.The horizontal coordinates were scaled from a topographic map and have
HT1854.an estimated accuracy of +/- 6 seconds.
HT1854
HT1854.The NAVD 88 height was computed by applying the VERTCON shift value to
HT1854.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
HT1854.The vertical order pertains to the superseded datum.
HT1854
HT1854.The geoid height was determined by GEOID99.
HT1854
HT1854;                    North         East    Units  Estimated Accuracy
HT1854;SPC CA 3     -   649,270.    1,848,900.      MT  (+/- 180 meters Scaled)
HT1854
HT1854                          SUPERSEDED SURVEY CONTROL
HT1854
HT1854  NGVD 29     -       191.871  (m)          629.50   (f) ADJUSTED    1 1
HT1854
HT1854.Superseded values are not recommended for survey control.
HT1854.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HT1854.See file dsdata.txt to determine how the superseded data were derived.
HT1854
HT1854_MARKER: DB = BENCH MARK DISK
HT1854_SETTING: 38 = ABUTMENT
HT1854_STAMPING: L 1253 1974
HT1854_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
HT1854
HT1854  HISTORY     - Date     Condition        Recov. By
HT1854  HISTORY     - 1974     MONUMENTED       NGS
HT1854
HT1854                          STATION DESCRIPTION
HT1854
HT1854''DESCRIBED BY NATIONAL GEODETIC SURVEY 1974
HT1854''2.1 KM (1.30 MI) SOUTH FROM OAKLAND.
HT1854''1.3 MILES SOUTH ALONG STATE HIGHWAY 13 FROM THE JUNCTION OF STATE
HT1854''HIGHWAY 24 IN OAKLAND, AT THE MORAGA AVENUE OVERPASS, IN TOP OF THE
HT1854''WEST END OF THE SOUTH CONCRETE ABUTMENT, 19.5 FEET SOUTHWEST OF THE
HT1854''CENTERLINE OF THE SOUTH BOUND LANES OF THE HIGHWAY, 11.4 FEET
HT1854''NORTHWEST OF THE SOUTHEAST END OF A CONCRETE AND METAL GUARD RAIL,
HT1854''1.7 FEET EAST OF THE WEST END OF THE ABUTMENT AND ABOUT LEVEL WITH
HT1854''THE HIGHWAY.