DX4817 ***********************************************************************
DX4817  DESIGNATION -  UNION 118 RM 3
DX4817  PID         -  DX4817
DX4817  STATE/COUNTY-  CA/ORANGE
DX4817  USGS QUAD   -  LA HABRA (1981)
DX4817
DX4817                         *CURRENT SURVEY CONTROL
DX4817  ___________________________________________________________________
DX4817* NAD 83(1992)-  33 53 44.12681(N)    117 53 51.84059(W)     ADJUSTED
DX4817* NAVD 88     -       157.52   (+/-2cm)     516.8    (feet)  VERTCON
DX4817  ___________________________________________________________________
DX4817  EPOCH DATE  -        1991.35
DX4817  LAPLACE CORR-           5.37  (seconds)                    DEFLEC99
DX4817  GEOID HEIGHT-         -34.91  (meters)                     GEOID99
DX4817
DX4817  HORZ ORDER  -  SECOND
DX4817  VERT ORDER  -  THIRD ? (See Below)
DX4817
DX4817.The horizontal coordinates were established by classical geodetic methods
DX4817.and adjusted by the National Geodetic Survey in June 1996.
DX4817.The horizontal coordinates are valid at the epoch date displayed above.
DX4817.The epoch date for horizontal control is a decimal equivalence
DX4817.of Year/Month/Day.
DX4817
DX4817.The NAVD 88 height was computed by applying the VERTCON shift value to
DX4817.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
DX4817.The vertical order pertains to the superseded datum.
DX4817
DX4817.The Laplace correction was computed from DEFLEC99 derived deflections.
DX4817
DX4817.The geoid height was determined by GEOID99.
DX4817
DX4817;                    North         East     Units   Scale      Converg.
DX4817;SPC CA 6     - 2,273,459.26  6,061,649.72   sFT  1.00000207 -0 54 19.7
DX4817;SPC CA 6     -   692,951.767 1,847,594.530   MT  1.00000207 -0 54 19.7
DX4817;UTM  11      - 3,750,942.060   416,993.670   MT  0.99968494 -0 30 02.4
DX4817
DX4817:                Primary Azimuth Mark                     Grid Az
DX4817:SPC CA 6     -  BREA UNDERGROUND                         005 56 53.4
DX4817:UTM  11      -  BREA UNDERGROUND                         005 32 36.1
DX4817
DX4817|---------------------------------------------------------------------|
DX4817| PID    Reference Object                     Distance      Geod. Az  |
DX4817|                                                           dddmmss.s |
DX4817| DX4800 BREA UNDERGROUND                    APPROX. 6.6 KM 0050233.7 |
DX4817| DX4815 UNION 118 2                          99.959 METERS 05054     |
DX4817|        UNION 118 RM 4                       16.942 METERS 10621     |
DX4817|        UNION 118 RM 5                       15.811 METERS 24312     |
DX4817|---------------------------------------------------------------------|
DX4817
DX4817                          SUPERSEDED SURVEY CONTROL
DX4817
DX4817  NAD 83(1986)-  33 53 44.12712(N)    117 53 51.83977(W) AD(1984.00) 2
DX4817  NAD 27      -  33 53 44.07960(N)    117 53 48.62870(W) AD(       ) 2
DX4817  NGVD 29     -       156.79   (m)          514.4    (f) LEVELING    3
DX4817
DX4817.Superseded values are not recommended for survey control.
DX4817.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DX4817.See file dsdata.txt to determine how the superseded data were derived.
DX4817
DX4817  HISTORY     - Date     Condition        Recov. By
DX4817  HISTORY     - 1969     MONUMENTED       CA-059
DX4817  HISTORY     - 1974     MONUMENTED       NGS
DX4817
DX4817                          STATION DESCRIPTION
DX4817
DX4817''DESCRIBED BY ORANGE COUNTY CALIFORNIA 1969
DX4817''MARK IS A STANDARD DISK STAMPED UNION 118 NO 3 1969, CEMENTED IN THE
DX4817''TOP OF A 12 INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS 1 INCH
DX4817''ABOVE THE SURFACE OF THE GROUND.  IT IS 60 FEET WEST OF THE FENCE
DX4817''AROUND THE WEST SIDE OF WELL 42, 28 FEET SOUTHWEST OF POLE UO 080
DX4817''64, 14.5 FEET SOUTHEAST OF A FENCE, AND 12 FEET NORTHWEST OF THE
DX4817''NORTHWEST EDGE OF THE PAVED AREA.  THE MARK ALSO HAS AN
DX4817''UNDERGROUND DISK.
DX4817
DX4817                          STATION RECOVERY (1974)
DX4817
DX4817''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (JLC)
DX4817''THE STATION MARK AND REFERENCE MARKS 4 AND 5 WERE RECOVERED AND
DX4817''FOUND IN GOOD CONDITION.  THE ANGLE BETWEEN THE REFERENCE MARKS
DX4817''COMPARED FAVORABLY WITH 1969 OBSERVATIONS, HOWEVER, THE DISTANCE
DX4817''TO REFERENCE MARK 4 WAS FOUND TO BE 20.00 FEET SHORTER THAN
DX4817''PREVIOUSLY MEASURED.  A COMPLETE NEW DESCRIPTION FOLLOWS.
DX4817''
DX4817''THE STATION IS LOCATED IN THE SW 1/4 SEC 23, T 3 S, R 10 W, ABOUT
DX4817''3 MILES SOUTH OF THE LOS ANGELES-ORANGE COUNTY LINE, 3 MILES
DX4817''SOUTHEAST OF LA HABRA, 1-1/2 MILES SOUTH OF BREA, AND 1 MILE
DX4817''SOUTHWEST OF THE INTERSECTION OF STATE HIGHWAY 51 (ORANGE FREEWAY)
DX4817''AND STATE HIGHWAY 90 (IMPERIAL HIGHWAY).  THE PROPERTY IS OWNED
DX4817''BY THE UNION OIL COMPANY, 6701 JEFFERSON AVENUE, PLACENTIA,
DX4817''CALIFORNIA, 92670, PHONE 528 7577.
DX4817''
DX4817''TO REACH THE STATION FROM THE POST OFFICE IN BREA, GO SOUTH ON
DX4817''SOUTH BREA BLVD FOR 1.5 MILES TO A CROSSROAD.  TURN LEFT AND GO
DX4817''EAST ON BASTANCHURY ROAD FOR 1 MILE TO A SIDE ROAD ON THE RIGHT
DX4817''ABOUT 50 YARDS BEFORE REACHING THE INTERSECTION OF STATE COLLEGE
DX4817''BLVD.  TURN SHARP RIGHT AND GO SOUTHWEST THROUGH THE GATE FOR
DX4817''0.05 MILE TO A FORK.  TAKE THE RIGHT FORK AND GO 0.05 MILE TO A
DX4817''CROSSROAD.  CONTINUE STRAIGHT AHEAD ON THE OILED ROAD UP
DX4817''THE HILL FOR 0.35 MILE TO WELL 42 ON THE LEFT AND THE STATION ON
DX4817''THE RIGHT.
DX4817''
DX4817''THE STATION MARK IS A STANDARD REFERENCE MARK DISK STAMPED UNION
DX4817''118 NO 3 1969, CEMENTED IN THE TOP OF A 12-INCH SQUARE CONCRETE
DX4817''MONUMENT WHICH PROJECTS 1 INCH ABOVE THE SURFACE OF THE GROUND.  IT
DX4817''IS ABOUT 60 FEET WEST OF A FENCE AROUND WELL 42, 28 FEET SOUTHWEST
DX4817''OF POWER POLE UO 080 64, 14.5 FEET SOUTHEAST OF A FENCE, AND 12
DX4817''FEET NORTHWEST OF THE NORTHWEST CORNER OF A PAVED AREA.  IT IS
DX4817''BELIEVED THAT AN UNDERGROUND DISK WAS ALSO SET, HOWEVER NO
DX4817''INFORMATION IS AVAILABLE AS TO WHAT THE STAMPING IS OR HOW FAR
DX4817''BELOW THE SURFACE OF THE GROUND IT IS.
DX4817''
DX4817''REFERENCE MARK 4 IS A STANDARD DISK STAMPED UNION 118 NO 4 1969,
DX4817''CEMENTED IN A DRILL HOLE IN A CONCRETE SLAB AT THE NORTHWEST SIDE
DX4817''OF WELL 42 AND FLUSH WITH THE SURFACE OF THE CONCRETE.  IT IS 43.3
DX4817''FEET SOUTHEAST OF POWER POLE UO 080 64 AND 8.5 FEET WEST OF THE
DX4817''WEST CORNER OF A FENCE AROUND WELL 42.
DX4817''
DX4817''REFERENCE MARK 5 IS A STANDARD DISK STAMPED UNION 118 NO 5 1969,
DX4817''CEMENTED IN THE TOP OF A 12-INCH SQUARE CONCRETE MONUMENT WHICH IS
DX4817''FLUSH WITH THE SURFACE OF THE GROUND.  IT IS 80 FEET SOUTHWEST
DX4817''OF POWER POLE UO 080 64, 13.3 FEET SOUTHEAST OF A FENCE, AND 11
DX4817''FEET NORTHWEST OF THE NORTHWEST EDGE OF THE PAVED AREA.
DX4817''
DX4817''HEIGHT OF LIGHT ABOVE STATION MARK 5.0 FEET.
DX4817''
DX4817''AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN
DX4817''1-1/2 MILES SOUTH OF BREA.