HS3512 ***********************************************************************
HS3512  DESIGNATION -  LIVERMORE EAST BASE RM 1
HS3512  PID         -  HS3512
HS3512  STATE/COUNTY-  CA/ALAMEDA
HS3512  USGS QUAD   -  LIVERMORE (1980)
HS3512
HS3512                         *CURRENT SURVEY CONTROL
HS3512  ___________________________________________________________________
HS3512* NAD 83(1986)-  37 40 40.     (N)    121 47 23.     (W)     SCALED
HS3512* NAVD 88     -       140.16   (+/-2cm)     459.8    (feet)  VERTCON
HS3512  ___________________________________________________________________
HS3512  GEOID HEIGHT-         -32.16  (meters)                     GEOID99
HS3512
HS3512  VERT ORDER  -  FIRST     CLASS II (See Below)
HS3512
HS3512.The horizontal coordinates were scaled from a topographic map and have
HS3512.an estimated accuracy of +/- 6 seconds.
HS3512
HS3512.The NAVD 88 height was computed by applying the VERTCON shift value to
HS3512.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
HS3512.The vertical order pertains to the superseded datum.
HS3512
HS3512.The geoid height was determined by GEOID99.
HS3512
HS3512;                    North         East    Units  Estimated Accuracy
HS3512;SPC CA 3     -   631,500.    1,886,240.      MT  (+/- 180 meters Scaled)
HS3512
HS3512                          SUPERSEDED SURVEY CONTROL
HS3512
HS3512  NGVD 29     -       139.346  (m)          457.17   (f) ADJ UNCH    1 2
HS3512
HS3512.Superseded values are not recommended for survey control.
HS3512.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HS3512.See file dsdata.txt to determine how the superseded data were derived.
HS3512
HS3512_MARKER: DR = REFERENCE MARK DISK
HS3512_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
HS3512_STAMPING: LIVERMORE EAST BASE NO 1 1947
HS3512_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
HS3512+STABILITY: SURFACE MOTION
HS3512
HS3512  HISTORY     - Date     Condition        Recov. By
HS3512  HISTORY     - 1947     MONUMENTED       CGS
HS3512  HISTORY     - 1958     GOOD             NGS
HS3512  HISTORY     - 1974     GOOD             NGS
HS3512  HISTORY     - 1976     GOOD             NGS
HS3512
HS3512                          STATION DESCRIPTION
HS3512
HS3512''DESCRIBED BY NATIONAL GEODETIC SURVEY 1958
HS3512''1.1 MI W FROM LIVERMORE.
HS3512''1.1 MILES WEST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM
HS3512''THE STATION AT LIVERMORE, IN R2E T3S S18, 9 RAILS EAST OF THE
HS3512''CROSSING OF A PRIVATE ASPHALT ROAD, AT A DIRT CUT BANK, 110
HS3512''FEET NORTHWEST OF THE WEST END OF WOODEN BRIDGE 45.90 OVER ARROYO
HS3512''MOCHO, 88.7 FEET EAST OF TRIANGULATION STATION LIVERMORE EAST
HS3512''BASE, 54 FEET NORTH OF THE NORTH RAIL OF THE SOUTHERN PACIFIC
HS3512''COMPANY RAILROAD TRACK, AND SET IN THE TOP OF A CONCRETE
HS3512''POST FLUSH WITH THE GROUND.
HS3512
HS3512                          STATION RECOVERY (1974)
HS3512
HS3512''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974
HS3512''RECOVERED IN GOOD CONDITION.
HS3512
HS3512                          STATION RECOVERY (1976)
HS3512
HS3512''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976
HS3512''RECOVERED IN GOOD CONDITION.