EV3887 ***********************************************************************
EV3887  DESIGNATION -  SADDLEBACK
EV3887  PID         -  EV3887
EV3887  STATE/COUNTY-  CA/LOS ANGELES
EV3887  USGS QUAD   -  HI VISTA (1992)
EV3887
EV3887                         *CURRENT SURVEY CONTROL
EV3887  ___________________________________________________________________
EV3887* NAD 83(1992)-  34 40 33.69883(N)    117 47 53.78131(W)     ADJUSTED
EV3887* NAVD 88     -      1113.9    (meters)    3655.     (feet)  VERTCON
EV3887  ___________________________________________________________________
EV3887  EPOCH DATE  -        1991.35
EV3887  LAPLACE CORR-           2.30  (seconds)                    DEFLEC99
EV3887  GEOID HEIGHT-         -32.00  (meters)                     GEOID99
EV3887
EV3887  HORZ ORDER  -  FIRST
EV3887
EV3887.The horizontal coordinates were established by classical geodetic methods
EV3887.and adjusted by the National Geodetic Survey in June 1996.
EV3887.The horizontal coordinates are valid at the epoch date displayed above.
EV3887.The epoch date for horizontal control is a decimal equivalence
EV3887.of Year/Month/Day.
EV3887
EV3887.The NAVD 88 height was computed by applying the VERTCON shift value to
EV3887.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
EV3887
EV3887.The Laplace correction was computed from DEFLEC99 derived deflections.
EV3887
EV3887.The geoid height was determined by GEOID99.
EV3887
EV3887;                    North         East     Units   Scale      Converg.
EV3887;SPC CA 5     - 2,068,463.66  6,622,316.73   sFT  0.99992298 +0 06 54.0
EV3887;SPC CA 5     -   630,468.983 2,018,486.177   MT  0.99992298 +0 06 54.0
EV3887;UTM  11      - 3,837,406.552   426,869.525   MT  0.99966592 -0 27 15.1
EV3887
EV3887:                Primary Azimuth Mark                     Grid Az
EV3887:SPC CA 5     -  SADDLEBACK AZ MK                         154 42 21.2
EV3887:UTM  11      -  SADDLEBACK AZ MK                         155 16 30.3
EV3887
EV3887|---------------------------------------------------------------------|
EV3887| PID    Reference Object                     Distance      Geod. Az  |
EV3887|                                                           dddmmss.s |
EV3887|        SADDLEBACK RM 1                       8.555 METERS 03819     |
EV3887| EV3876 LOS ANGELES LAS VEGAS AWY BN 7      APPROX.24.6 KM 0875704.1 |
EV3887|        SADDLEBACK AZ MK                                   1544915.2 |
EV3887| EV3889 LOS ANGELES LAS VEGAS AWY BN 6      APPROX.10.5 KM 2123617.8 |
EV3887| EW7072 LOS ANGELES LAS VEGAS AWY BN 5      APPROX.27.3 KM 2561300.6 |
EV3887|        SADDLEBACK RM 2                      11.507 METERS 30829     |
EV3887|---------------------------------------------------------------------|
EV3887
EV3887                          SUPERSEDED SURVEY CONTROL
EV3887
EV3887  NAD 83(1986)-  34 40 33.70074(N)    117 47 53.78295(W) AD(1984.00) 1
EV3887  NAD 27      -  34 40 33.74060(N)    117 47 50.55740(W) AD(       ) 1
EV3887  NGVD 29     -      1113.0    (m)         3652.     (f) VERT ANG
EV3887
EV3887.Superseded values are not recommended for survey control.
EV3887.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
EV3887.See file dsdata.txt to determine how the superseded data were derived.
EV3887
EV3887  HISTORY     - Date     Condition        Recov. By
EV3887  HISTORY     - 1934     MONUMENTED       CGS
EV3887  HISTORY     - 1940     GOOD             CGS
EV3887  HISTORY     - 1958     GOOD             CGS
EV3887
EV3887                          STATION DESCRIPTION
EV3887
EV3887''DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (LCJ)
EV3887''STATION IS ABOUT 25 MILES W BY N OF ADELANTO, AND ABOUT 10
EV3887''FEET W OF HIGHEST ROCKY POINT ON NE PEAK OF SADDLEBACK MOUNTAIN.
EV3887''
EV3887''STATION IS MARKED BY A BRONZE TABLET ESTABLISHED BY U.S.G.S.
EV3887''IN COOPERATION WITH LOS ANGELES COUNTY.
EV3887''
EV3887''REFERENCE MARKS ARE STANDARD REFERENCE DISKS IN BEDROCK, AS
EV3887''DESCRIBED IN NOTE 12A.
EV3887''
EV3887''REFERENCE MARK NO. 1 IS 8.578 METERS (28.14 FEET) FROM STATION
EV3887''IN AZIMUTH 218 DEG 19 MIN.
EV3887''
EV3887''REFERENCE MARK NO. 2 IS 11.546 METERS (37.88 FEET) FROM STATION
EV3887''IN AZIMUTH 128 DEG 29 MIN.
EV3887''
EV3887''TO REACH STATION FROM POST OFFICE IN ADELANTO, GO W 0.5 MILE,
EV3887''N 0.5 MILE, W 2.1 MILES, N 1.0 MILE, AND THEN W 12.8 MILES
EV3887''ON MAIN-TRAVELED ROAD TO LOS ANGELES COUNTY LINE, CONTINUE
EV3887''STRAIGHT AHEAD 6.5 MILES ON MACADAM ROAD (WILSONA POST OFFICE
EV3887''ON LEFT 0.1 MILE), KEEP STRAIGHT AHEAD 2.0 MILES, TURN RIGHT
EV3887''(N) OFF MACADAM ROAD AND GO 2.0 MILES TO CORNER WITH SIGNS
EV3887''WILSONA VALLEY 4 MILES-ADELANTO 28 MILES-DR. CURRAN 1/2 MILE,
EV3887''GO STRAIGHT AHEAD 0.1 MILE, TURN SHARPLY TO RIGHT AND GO 0.25
EV3887''MILE, TAKE LEFT FORK AND GO 0.3 MILE, GO STRAIGHT AHEAD 0.45
EV3887''MILE, TAKE LEFT FORK AND GO 0.15 MILE, TAKE LEFT FORK AND GO
EV3887''0.4 MILE, TAKE LEFT FORK AND GO 0.1 MILE, TAKE RIGHT FORK
EV3887''AND FOLLOW N TOWARD FOOT OF MOUNTAIN AND CLIMB TO STATION
EV3887''SITE.
EV3887
EV3887                          STATION RECOVERY (1940)
EV3887
EV3887''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1940 (JCS)
EV3887''STATION IS ABOUT 17 MILES E BY S OF LANCASTER, 25 MILES W BY
EV3887''N OF ADELANTO AND ABOUT 10 FEET W OF THE HIGHEST ROCKY POINT
EV3887''ON THE NE PEAK OF SADDLEBACK MOUNTAIN.
EV3887''
EV3887''STATION MARK IS A STANDARD DISK SET IN BEDROCK, INSCRIBED
EV3887''U.S. GEOLOGICAL SURVEY IN COOPERATION WITH L.A. COUNTY, AND
EV3887''IS STAMPED SADDLEBACK R.S. 1929.
EV3887''
EV3887''REFERENCE MARK NO. 1 IS ABOUT 30 FEET, SLOPE DISTANCE, NE OF
EV3887''THE STATION, AND IS SET IN BEDROCK ABOUT 5 FEET LOWER IN
EV3887''ELEVATION THAN THE STATION MARK.  IT IS STAMPED SADDLEBACK
EV3887''1933, U.S.G.S.
EV3887''
EV3887''REFERENCE MARK NO. 2 IS ABOUT 40 FEET, SLOPE DISTANCE, NW
EV3887''OF THE STATION, AND IS SET IN BEDROCK ABOUT 9 FEET LOWER
EV3887''IN ELEVATION THAN THE STATION MARK.  IT IS STAMPED THE SAME
EV3887''SADDLEBACK 1933, U.S.G.S.
EV3887''
EV3887''THE AZIMUTH MARK IS ABOUT 0.3 MILE SSE SET IN BEDROCK BESIDE
EV3887''A SMALL WASH AT THE BASE OF THE HILL.  IT IS ABOUT 70 FEET
EV3887''W OF A ROAD AND 30 FEET N OF A 1- BY 4-INCH BY 3-FOOT STAKE
EV3887''AND IS STAMPED SADDLEBACK 1940.
EV3887''
EV3887''TO REACH THE STATION FROM THE JUNCTION OF HIGHWAYS 6 AND 138,
EV3887''NORTH LANCASTER, GO E 7.4 MILES, TURN RIGHT (SIGN ADELANTO
EV3887''43- LANCASTER 8- WILSONA 19), GO 1.0 MILE, TURN LEFT, MAIN-TRAVELED
EV3887''ROAD (WILSONA 8), GO 8.0 MILES AND CONTINUE STRAIGHT AHEAD
EV3887''(E) WHERE PAVEMENT TURNS S (SIGN LANCASTER 17), GO 4.0 MILES,
EV3887''CONTINUE STRAIGHT AHEAD (E) ON DIM ROAD (MAIN-TRAVELED ROAD
EV3887''TURNS LEFT).  GO 1 MILE, TURN RIGHT ON DIM TRACK ROAD, GO
EV3887''0.8 MILE, TURN RIGHT ON DIM ROAD TO RIGHT OF SMALL ROCKY
EV3887''RIDGE AND GO 1 MILE TO END OF ROAD, THENCE RIGHT, WESTWARD,
EV3887''AND FOLLOW TRACKS 0.6 MILE CROSS COUNTRY TO END OF TRUCK
EV3887''TRAVEL AT BASE OF HILL.  CLIMB W TO HIGHEST POINT AND
EV3887''STATION, ABOUT A 20-MINUTE PACK.
EV3887
EV3887                          STATION RECOVERY (1958)
EV3887
EV3887''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (WRH)
EV3887''THE STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD
EV3887''CONDITION.  ADDITIONAL STAMPINGS CONSISTING OF THE LETTERS
EV3887''(USGS AND LAC) WERE MADE ON THE REFERENCE AND AZIMUTH MARKS AT
EV3887''THIS TIME.  A NEW DESCRIPTION FOLLOWS.
EV3887''
EV3887''THE STATION IS LOCATED AIRLINE ABOUT 19 MILES EAST OF LANCASTER,
EV3887''6 MILES SOUTH-SOUTHWEST OF HI VISTA AND 4-1/2 MILES NORTH-NORTHWEST
EV3887''OF WILSONA ON A PROMINENT PEAK KNOWN AS SADDLEBACK MOUNTAIN.
EV3887''
EV3887''TO REACH THE STATION FROM THE POST OFFICE IN LANCASTER GO
EV3887''0.15 MILE EAST TO SIERRA HIGHWAY.  TURN LEFT AND PROCEED
EV3887''NORTH 0.35 MILE TO AN INTERSECTION.  TURN RIGHT ONTO AVENUE
EV3887''I AND GO EAST 9.2 MILES TO 90TH ST. EAST, THENCE TURN RIGHT
EV3887''AND GO SOUTH 1.0 MILE TO AVENUE J.  TURN LEFT AND GO EAST
EV3887''FOR 5.8 MILES TO 150TH ST. EAST, THENCE RIGHT, SOUTH, FOR
EV3887''1.0 MILE TO A CROSSROADS.  TURN LEFT AND GO EAST AND SOUTH
EV3887''ON AVE. K FOR 3.8 MILES TO AVE. M EAST AND 179TH ST. EAST.
EV3887''CONTINUE EAST ON A DIRT ROAD FOR 2.0 MILES TO CROSSROADS
EV3887''(AVE. M EAST AND 190TH ST. EAST).  TURN LEFT AND GO NORTH
EV3887''CROSS-COUNTRY FOR 1.8 MILES TO THE AZIMUTH MARK ON THELEFT.
EV3887''CONTINUE ABOUT 100 YARDS YARDS TO THE BASE OF THE HILL AND
EV3887''THE END OF TRUCK TRAVEL.  PACK NORTHWESTERLY TO THE
EV3887''HIGHEST POINT AND THE STATION.  PACKING TIME--1/2 HR.
EV3887''
EV3887''THE STATION MARK IS A STANDARD U.S. GEOLOGICAL SURVEY IN
EV3887''COOPERATION WITH LOS ANGELES COUNTY DISK STAMPED SADDLEBACK
EV3887''R.S. 1929 CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK.
EV3887''IT IS ABOUT 5 FEET LOWER AND WEST OF THE HIGHEST POINT ON THE
EV3887''MOUNTAIN.
EV3887''
EV3887''REFERENCE MARK NUMBER 1 IS A STANDARD DISK STAMPED SADDLEBACK
EV3887''(USGS AND LAC) NO 1 1933 CEMENTED IN A DRILL HOLE IN OUTCROPPING
EV3887''BEDROCK.  IT IS ABOUT 5 FEET LOWER THAN THE STATION.
EV3887''
EV3887''REFERENCE MARK NUMBER 2 IS A STANDARD DISK STAMPED SADDLEBACK
EV3887''(USGS AND LAC) NO 2 1933 CEMENTED IN A DRILL HOLE IN OUTCROPPING
EV3887''BEDROCK.  IT IS ABOUT 9 FEET LOWER THAN THE STATION.
EV3887''
EV3887''THE AZIMUTH MARK IS A STANDARD DISK STAMPED SADDLEBACK (USGS
EV3887''AND LAC) 1940 CEMENTED IN A DRILL HOLE IN THE TOP OF AN OUTCROPPING
EV3887''BOULDER THAT PROJECTS ABOUT 1-1/2 FEET ABOVE THE GROUND.  IT
EV3887''IS ABOUT 70 FEET WEST OF A DIRT ROAD, 2 FEET EAST OF A CAIRN
EV3887''SUPPORTING A 1X4 STAKE AND AT THE WEST END OF A SMALL WASH.