National Geodetic Survey,   Retrieval Date = JANUARY 30, 2015
 DC1891 ***********************************************************************
 DC1891  DESIGNATION -  BOUNDARY MON 232 US MEX
 DC1891  PID         -  DC1891
 DC1891  STATE/COUNTY-  CA/SAN DIEGO
 DC1891  COUNTRY     -  US
 DC1891  USGS QUAD   -  
 DC1891
 DC1891                         *CURRENT SURVEY CONTROL
 DC1891  ______________________________________________________________________
 DC1891* NAD 83(1992) POSITION- 32 36 55.67419(N) 116 08 38.02117(W)   ADJUSTED  
 DC1891* NAD 83(1992) EPOCH   -  1991.35
 DC1891* NAVD 88 ORTHO HEIGHT -  1076.9   (meters)     3533.    (feet) VERTCON   
 DC1891  ______________________________________________________________________
 DC1891  GEOID HEIGHT    -        -32.64  (meters)                     GEOID12A
 DC1891  LAPLACE CORR    -         -0.29  (seconds)                    DEFLEC12A
 DC1891  HORZ ORDER      -  SECOND
 DC1891
 DC1891.The horizontal coordinates were established by classical geodetic methods
 DC1891.and adjusted by the National Geodetic Survey in June 1996.
 DC1891.
 DC1891.The NAVD 88 height was computed by applying the VERTCON shift value to
 DC1891.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
 DC1891
 DC1891.The Laplace correction was computed from DEFLEC12A derived deflections.
 DC1891
 DC1891. The following values were computed from the NAD 83(1992) position.
 DC1891
 DC1891;                    North         East     Units Scale Factor Converg.
 DC1891;SPC CA 6     -   549,778.497 2,009,958.984   MT  1.00003218   +0 03 29.9
 DC1891;SPC CA 6     - 1,803,731.62  6,594,340.43   sFT  1.00003218   +0 03 29.9
 DC1891;UTM  11      - 3,608,982.124   580,320.156   MT  0.99967955   +0 27 41.3
 DC1891
 DC1891!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DC1891!SPC CA 6     -   0.99983607  x   1.00003218  =   0.99986824
 DC1891!UTM  11      -   0.99983607  x   0.99967955  =   0.99951567
 DC1891
 DC1891                          SUPERSEDED SURVEY CONTROL
 DC1891
 DC1891  NAD 83(1986)-  32 36 55.67670(N)    116 08 38.02059(W) AD(1984.00) 2
 DC1891  NAD 27      -  32 36 55.45100(N)    116 08 34.95600(W) AD(       ) 2
 DC1891  NGVD 29 (07/19/86) 1076.1    (m)         3531.     (f) VERT ANG       
 DC1891
 DC1891.Superseded values are not recommended for survey control.
 DC1891
 DC1891.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DC1891.See file dsdata.txt to determine how the superseded data were derived.
 DC1891
 DC1891_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8032008982(NAD 83)
 DC1891
 DC1891_MARKER: 71 = BOUNDARY MONUMENT
 DC1891
 DC1891  HISTORY     - Date     Condition        Report By
 DC1891  HISTORY     - 1935     FIRST OBSERVED   CGS
 DC1891
 DC1891                          STATION DESCRIPTION
 DC1891
 DC1891'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (CP)
 DC1891'THIS STATION IS A HOLLOW, CONICAL MONUMENT 8 FEET HIGH, MARKING
 DC1891'THE UNITED STATES-MEXICO BORDER AND ESTABLISHED BY THE BOUNDARY
 DC1891'COMMISSION.  IT LIES ABOUT 3 MILES AIRLINE EAST OF JACUMBA
 DC1891'AND ABOUT 0.5 OF A MILE SOUTH OF THE HIGHWAY.  MONUMENT IS
 DC1891'IN A LOW SADDLE ON THE FIRST HILLS EAST OF THE AIRPORT AND CAN
 DC1891'BE SEEN FROM THE HIGHWAY AT THE AIRPORT.  IT IS ABOUT THIRTY
 DC1891'FEET SOUTH OF A BARBED WIRE FENCE ON THE HIGHEST PART OF THE
 DC1891'SADDLE.
 DC1891'
 DC1891'REACHED FROM JACUMBA AS FOLLOWS--GO EAST ON HIGHWAY TO AIRPORT
 DC1891'ARCHWAY, LEAVE HIGHWAY AND CONTINUE EAST ON DIRT ROAD 0.6
 DC1891'MILE TO BUILDINGS AND END OF TRUCK TRAVEL.  FROM THIS POINT
 DC1891'THE STATION LIES SOUTHEAST.  A 20 MINUTE PACK.  THE MONUMENT
 DC1891'IS ABOUT 175 YARDS SOUTH-SOUTHEAST OF U.S. COAST AND GEODETIC
 DC1891'SURVEY STATION OFFSET NO. 232.