National Geodetic Survey, Retrieval Date = MARCH 8, 2002 DX4928 *********************************************************************** DX4928 DESIGNATION - RICH DX4928 PID - DX4928 DX4928 STATE/COUNTY- CA/SAN DIEGO DX4928 USGS QUAD - EARTHQUAKE VALLEY (1959) DX4928 DX4928 *CURRENT SURVEY CONTROL DX4928 ___________________________________________________________________ DX4928* NAD 83(1992)- 33 00 57.41644(N) 116 24 27.72280(W) ADJUSTED DX4928* NAVD 88 - 813. (meters) 2667. (feet) VERTCON DX4928 ___________________________________________________________________ DX4928 EPOCH DATE - 1991.35 DX4928 LAPLACE CORR- -5.79 (seconds) DEFLEC99 DX4928 GEOID HEIGHT- -32.21 (meters) GEOID99 DX4928 DX4928 HORZ ORDER - THIRD DX4928 DX4928.The horizontal coordinates were established by classical geodetic methods DX4928.and adjusted by the National Geodetic Survey in June 1996. DX4928.The horizontal coordinates are valid at the epoch date displayed above. DX4928.The epoch date for horizontal control is a decimal equivalence DX4928.of Year/Month/Day. DX4928 DX4928.The NAVD 88 height was computed by applying the VERTCON shift value to DX4928.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX4928 DX4928.The Laplace correction was computed from DEFLEC99 derived deflections. DX4928 DX4928.The geoid height was determined by GEOID99. DX4928 DX4928; North East Units Scale Converg. DX4928;SPC CA 6 - 594,198.576 1,985,265.463 MT 0.99996945 -0 05 12.0 DX4928;SPC CA 6 - 1,949,466.49 6,513,325.11 sFT 0.99996945 -0 05 12.0 DX4928;UTM 11 - 3,653,210.859 555,320.572 MT 0.99963773 +0 19 21.8 DX4928 DX4928: Primary Azimuth Mark Grid Az DX4928:SPC CA 6 - GRANITE 300 17 04.0 DX4928:UTM 11 - GRANITE 299 52 30.2 DX4928 DX4928|---------------------------------------------------------------------| DX4928| PID Reference Object Distance Geod. Az | DX4928| dddmmss.s | DX4928| DX4923 GRANITE APPROX. 7.8 KM 3001152.0 | DX4928|---------------------------------------------------------------------| DX4928 DX4928 SUPERSEDED SURVEY CONTROL DX4928 DX4928 NAD 83(1986)- 33 00 57.41743(N) 116 24 27.72011(W) AD(1984.00) 3 DX4928 NAD 27 - 33 00 57.24955(N) 116 24 24.66714(W) AD( ) 3 DX4928 NGVD 29 - 812. (m) 2664. (f) VERT ANG DX4928 DX4928.Superseded values are not recommended for survey control. DX4928.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX4928.See file dsdata.txt to determine how the superseded data were derived. DX4928 DX4928_MARKER: DD = SURVEY DISK DX4928_SETTING: 0 = UNSPECIFIED SETTING DX4928_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DX4928 DX4928 HISTORY - Date Condition Report By DX4928 HISTORY - 1941 MONUMENTED USE DX4928 DX4928 STATION DESCRIPTION DX4928 DX4928'DESCRIBED BY US ENGINEERS 1941 DX4928'STATION IS A BRONZE DISK CEMENTED IN ROCK, STAMPED RICH 1941. DX4928' DX4928'IT IS LOCATED ABOUT 4.5 MILES NORTHWEST OF THE OLD VALLECITOS STAGE DX4928'STATION. 11.0 MILES SOUTHEAST OF JULIAN AND ABOUT 1 MILE SOUTH OF A DX4928'DRY LAKE. TO REACH FROM SCISSORS CROSSING, A POINT ON HIGHWAY 78, DX4928'12 MILES EAST OF JULIAN AND 23.3 MILES WEST OF NEW TOWN OF DX4928'OCOTILLO, TAKE DIRT ROAD SOUTH FOR 7.4 MILES TO A Y INTERSECTION. DX4928'TAKE A MAGNETIC BEARING S 65 DEG E AND DRIVE CROSS COUNTY FOR DX4928'0.2 MILE TO STATION WHICH IS LOCATED ON FLAT GROUND ON WEST BANK DX4928'OF A DRY WASH RUNNING NORTH AND SOUTH. STATION RICH IS ABOUT 300 DX4928'FEET NORTHEAST OF FOOT OF NEAREST HILL AND IS ON BRUSHY COUNTRY DX4928'COVERED WITH CACTUS AND YUCCA PLANT. DX4928' DX4928'REFERENCE MARK 1 IS A BRONZE DISK, STAMPED R.M. 1 RICH 1941. DX4928' DX4928'REFERENCE MARK 2 IS A BRONZE DISK, STAMPED R.M. 2 RICH 1941.