National Geodetic Survey,   Retrieval Date = OCTOBER 26, 2004
 JS3949 ***********************************************************************
 JS3949  DESIGNATION -  BIG HILL LOOKOUT TOWER 1949
 JS3949  PID         -  JS3949
 JS3949  STATE/COUNTY-  CA/EL DORADO
 JS3949  USGS QUAD   -  RIVERTON (1973)
 JS3949
 JS3949                         *CURRENT SURVEY CONTROL
 JS3949  ___________________________________________________________________
 JS3949* NAD 83(1992)-  38 50 33.08977(N)    120 24 27.92690(W)     ADJUSTED  
 JS3949* NAVD 88     -      1877.01   (+/-2cm)    6158.2    (feet)  VERTCON   
 JS3949  ___________________________________________________________________
 JS3949  EPOCH DATE  -        1991.35
 JS3949  LAPLACE CORR-          10.19  (seconds)                    DEFLEC99
 JS3949  GEOID HEIGHT-         -24.73  (meters)                     GEOID03
 JS3949
 JS3949  HORZ ORDER  -  SECOND
 JS3949  VERT ORDER  -  THIRD ? (See Below)
 JS3949
 JS3949.The horizontal coordinates were established by classical geodetic methods
 JS3949.and adjusted by the National Geodetic Survey in March 1994.
 JS3949.The horizontal coordinates are valid at the epoch date displayed above.
 JS3949.The epoch date for horizontal control is a decimal equivalence
 JS3949.of Year/Month/Day.
 JS3949
 JS3949.The NAVD 88 height was computed by applying the VERTCON shift value to
 JS3949.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
 JS3949.The vertical order pertains to the NGVD 29 superseded value.
 JS3949
 JS3949.The Laplace correction was computed from DEFLEC99 derived deflections.
 JS3949
 JS3949.The geoid height was determined by GEOID03.
 JS3949
 JS3949;                    North         East     Units Scale Factor Converg.
 JS3949;SPC CA 2     -   631,737.377 2,138,217.823   MT  0.99992356   +1 00 13.9
 JS3949;SPC CA 2     - 2,072,625.04  7,015,136.31   sFT  0.99992356   +1 00 13.9
 JS3949;UTM  10      - 4,302,494.841   724,980.076   MT  1.00022332   +1 37 35.4
 JS3949
 JS3949!             -  Elev Factor  x  Scale Factor =   Combined Factor
 JS3949!SPC CA 2     -   0.99970946  x   0.99992356  =   0.99963305
 JS3949!UTM  10      -   0.99970946  x   1.00022332  =   0.99993272
 JS3949
 JS3949                          SUPERSEDED SURVEY CONTROL
 JS3949
 JS3949  NAD 83(1986)-  38 50 33.06670(N)    120 24 27.90525(W) AD(1984.00) 2
 JS3949  NAD 27      -  38 50 33.40700(N)    120 24 24.19500(W) AD(       ) 2
 JS3949  NGVD 29 (07/19/86) 1876.00   (m)         6154.8    (f) LEVELING    3  
 JS3949
 JS3949.Superseded values are not recommended for survey control.
 JS3949.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 JS3949.See file dsdata.txt to determine how the superseded data were derived.
 JS3949
 JS3949_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGJ2498002495(NAD 83)
 JS3949
 JS3949  HISTORY     - Date     Condition        Report By
 JS3949  HISTORY     - 1943     MONUMENTED       CGS
 JS3949
 JS3949                          STATION DESCRIPTION
 JS3949
 JS3949'DESCRIBED BY COAST AND GEODETIC SURVEY 1943 (JCS)
 JS3949'BIG HILL LOOKOUT TOWER IS LOCATED ON THE TOP OF A SMALL
 JS3949'MOUNTAIN KNOWN AS BIG HILL.  IT IS ABOUT 6.0 MILES EAST OF
 JS3949'KNIGHTS FERRY ON RANCH OWNED BY BILL RUSHING AND LEASED BY THE
 JS3949'STATE.  THE LOOKOUT TOWER IS ABOUT 50 FT. HIGH AND IS ABOUT
 JS3949'70 FT. WEST OF TRIANGULATION STATION BIG HILL 1931.