National Geodetic Survey, Retrieval Date = NOVEMBER 13, 2001 DX4939 *********************************************************************** DX4939 DESIGNATION - WEE DX4939 PID - DX4939 DX4939 STATE/COUNTY- CA/SAN DIEGO DX4939 USGS QUAD - TUBB CANYON (1965) DX4939 DX4939 *CURRENT SURVEY CONTROL DX4939 ___________________________________________________________________ DX4939* NAD 83(1992)- 33 13 20.08540(N) 116 28 08.55434(W) ADJUSTED DX4939* NAVD 88 - 1241. (meters) 4072. (feet) VERTCON DX4939 ___________________________________________________________________ DX4939 EPOCH DATE - 1991.35 DX4939 LAPLACE CORR- -10.34 (seconds) DEFLEC99 DX4939 GEOID HEIGHT- -31.91 (meters) GEOID99 DX4939 DX4939 HORZ ORDER - THIRD DX4939 DX4939.The horizontal coordinates were established by classical geodetic methods DX4939.and adjusted by the National Geodetic Survey in June 1996. DX4939.The horizontal coordinates are valid at the epoch date displayed above. DX4939.The epoch date for horizontal control is a decimal equivalence DX4939.of Year/Month/Day. DX4939 DX4939.The NAVD 88 height was computed by applying the VERTCON shift value to DX4939.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX4939 DX4939.The Laplace correction was computed from DEFLEC99 derived deflections. DX4939 DX4939.The geoid height was determined by GEOID99. DX4939 DX4939; North East Units Scale Converg. DX4939;SPC CA 6 - 617,087.690 1,979,582.128 MT 0.99995603 -0 07 13.3 DX4939;SPC CA 6 - 2,024,561.86 6,494,679.03 sFT 0.99995603 -0 07 13.3 DX4939;UTM 11 - 3,676,051.192 549,475.362 MT 0.99963018 +0 17 27.3 DX4939 DX4939: Primary Azimuth Mark Grid Az DX4939:SPC CA 6 - BAKER 208 17 25.1 DX4939:UTM 11 - BAKER 207 52 44.5 DX4939 DX4939|---------------------------------------------------------------------| DX4939| PID Reference Object Distance Geod. Az | DX4939| dddmmss.s | DX4939| DX4941 BAKER APPROX. 2.1 KM 2081011.8 | DX4939|---------------------------------------------------------------------| DX4939 DX4939 SUPERSEDED SURVEY CONTROL DX4939 DX4939 NAD 83(1986)- 33 13 20.08694(N) 116 28 08.55649(W) AD(1984.00) 3 DX4939 NAD 27 - 33 13 19.94306(N) 116 28 05.49895(W) AD( ) 3 DX4939 NGVD 29 - 1240. (m) 4068. (f) VERT ANG DX4939 DX4939.Superseded values are not recommended for survey control. DX4939.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX4939.See file dsdata.txt to determine how the superseded data were derived. DX4939 DX4939_MARKER: DD = SURVEY DISK DX4939_SETTING: 0 = UNSPECIFIED SETTING DX4939_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DX4939 DX4939 HISTORY - Date Condition Report By DX4939 HISTORY - 1940 MONUMENTED USE DX4939 DX4939 STATION DESCRIPTION DX4939 DX4939'DESCRIBED BY US ENGINEERS 1940 DX4939'STATION IS STANDARD DISK CEMENTED IN ROCK, STAMPED WEE. DX4939' DX4939'IT IS LOCATED ABOUT 5 MILES EAST OF RANCHITA POST OFFICE, ON DX4939'HIGHEST POINT OF RIDGE. DX4939' DX4939'TO REACH FROM RANCHITA POST OFFICE, TAKE DIRT ROAD EAST 0.8 MILE DX4939'TO CATTLE GUARD AND CROSS ROADS, CONTINUE STRAIGHT AHEAD 0.4 MILE DX4939'TO FORKS, TAKE RIGHT FORK AND FOLLOW MAIN TRAVELED ROAD 1.1 MILE. DX4939'LEAVE ROAD TURNING RIGHT AND PROCEED IN GENERAL EASTERLY DIRECTION DX4939'DOWN GULLY FOR 0.4 MILE, CROSS DRY SANDY WASH, TURN LEFT AND DX4939'PROCEED UP CANYON NORTH 0.15 MILE TO END OF TRUCK TRAVEL. LEAVE DX4939'TRUCK AND PROCEED UP GULLY IN NORTHEAST DIRECTION TO THIRD DX4939'RIDGE WHICH IS HIGHEST IN VICINITY AND LIES FARTHEST EAST. DX4939'PACK TIME 30 MINUTES. DX4939' DX4939'REFERENCE MARK 1 IS STANDARD DISK IN ROCK, STAMPED R.M. 1.