National Geodetic Survey, Retrieval Date = OCTOBER 28, 2000 DC1874 *********************************************************************** DC1874 DESIGNATION - VALLE USE 1941 DC1874 PID - DC1874 DC1874 STATE/COUNTY- CA/SAN DIEGO DC1874 USGS QUAD - ARROYO TAPIADO (1975) DC1874 DC1874 *CURRENT SURVEY CONTROL DC1874 ___________________________________________________________________ DC1874* NAD 83(1992)- 32 53 41.20771(N) 116 11 40.38165(W) ADJUSTED DC1874* NAVD 88 - 735. (meters) 2411. (feet) VERTCON DC1874 ___________________________________________________________________ DC1874 EPOCH DATE - 1991.35 DC1874 LAPLACE CORR- -6.42 (seconds) DEFLEC99 DC1874 GEOID HEIGHT- -33.36 (meters) GEOID99 DC1874 DC1874 HORZ ORDER - THIRD DC1874 DC1874.The horizontal coordinates were established by classical geodetic methods DC1874.and adjusted by the National Geodetic Survey in June 1996. DC1874.The horizontal coordinates are valid at the epoch date displayed above. DC1874.The epoch date for horizontal control is a decimal equivalence DC1874.of Year/Month/Day. DC1874 DC1874.The NAVD 88 height was computed by applying the VERTCON shift value to DC1874.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1874 DC1874.The Laplace correction was computed from DEFLEC99 derived deflections. DC1874 DC1874.The geoid height was determined by GEOID99. DC1874 DC1874; North East Units Scale Converg. DC1874;SPC CA 6 - 1,905,347.36 6,578,687.61 sFT 0.99998333 +0 01 49.7 DC1874;SPC CA 6 - 580,751.038 2,005,187.993 MT 0.99998333 +0 01 49.7 DC1874;UTM 11 - 3,639,909.915 575,331.949 MT 0.99966997 +0 26 14.9 DC1874 DC1874: Primary Azimuth Mark Grid Az DC1874:SPC CA 6 - STAGE 284 47 45.2 DC1874:UTM 11 - STAGE 284 23 20.0 DC1874 DC1874|---------------------------------------------------------------------| DC1874| PID Reference Object Distance Geod. Az | DC1874| dddmmss.s | DC1874| DC1946 STAGE APPROX. 8.8 KM 2844934.9 | DC1874|---------------------------------------------------------------------| DC1874 DC1874 SUPERSEDED SURVEY CONTROL DC1874 DC1874 NAD 83(1986)- 32 53 41.21108(N) 116 11 40.37819(W) AD(1984.00) 3 DC1874 NAD 27 - 32 53 41.01164(N) 116 11 37.31376(W) AD( ) 3 DC1874 NGVD 29 - 734. (m) 2408. (f) VERT ANG DC1874 DC1874.Superseded values are not recommended for survey control. DC1874.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1874.See file dsdata.txt to determine how the superseded data were derived. DC1874 DC1874_MARKER: DD = SURVEY DISK DC1874_SETTING: 0 = UNSPECIFIED SETTING DC1874_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DC1874 DC1874 HISTORY - Date Condition Recov. By DC1874 HISTORY - 1941 MONUMENTED USE DC1874 DC1874 STATION DESCRIPTION DC1874 DC1874'DESCRIBED BY US ENGINEERS 1941 DC1874'STATION IS A STANDARD DISK SET IN A CONCRETE POST AT GROUND LEVEL DC1874'AND STAMPED VALLE 1941. DC1874' DC1874'IT IS LOCATED ON A BLUFF OVERLOOKING VALLECITO WASH, 5 MILES DC1874'SOUTHEAST OF AGUA CALIENTE, 10 MILES NORTHWEST OF CARRIZO AND DC1874'25 MILES NORTHWEST OF PLASTER CITY. DC1874' DC1874'TO REACH FROM VALLECITO STATION, GO EAST ON THE OLD VALLECITO DC1874'ROAD 4.0 MILES TO FORKS AND SIGN (AGUA CALIENTE 0.7 MILES-CARRIZO DC1874'15 MILES) TAKE LEFT FORK OF ROAD AND GO 8.7 MILES DOWN WASH. DC1874'PARK TRUCK AND CLIMB BLUFF TO SOUTH. STATION IS ON A POINT JUST DC1874'ABOVE A SLIDE. ON THE SOUTH SIDE, A GENTLE SLOPE RUNS TO DC1874'NORTHEAST AND COMES OUT IN THE MAIN WASH AGAIN. DC1874' DC1874'REFERENCE MARK 1 IS ON TOP OF RIDGE ON A SMALL ROCKY RISE TO THE WEST DC1874'OF VALLE, A STANDARD DISK SET IN A POST STAMPED R.M. NO. 1 VALLE DC1874'1941. DC1874' DC1874'REFERENCE MARK 2 IS ON TOP OF RIDGE ON FIRST ROCKY RISE TO THE EAST DC1874'OF VALLEY A STANDARD DISK IN A POST, STAMPED R.M. NO. 2 VALLEY DC1874'1941.