National Geodetic Survey, Retrieval Date = FEBRUARY 27, 2000 DC1972 *********************************************************************** DC1972 DESIGNATION - MESA 1935 DC1972 PID - DC1972 DC1972 STATE/COUNTY- CA/SAN DIEGO DC1972 USGS QUAD - CUYAMACA PEAK (1988) DC1972 DC1972 *CURRENT SURVEY CONTROL DC1972 ___________________________________________________________________ DC1972* NAD 83(1992)- 32 53 27.09755(N) 116 33 42.49793(W) ADJUSTED DC1972* NAVD 88 - 1541. (meters) 5056. (feet) SCALED DC1972 ___________________________________________________________________ DC1972 EPOCH DATE - 1991.35 DC1972 LAPLACE CORR- 2.49 (seconds) DEFLEC99 DC1972 GEOID HEIGHT- -31.48 (meters) GEOID99 DC1972 DC1972 HORZ ORDER - SECOND DC1972 DC1972.The horizontal coordinates were established by classical geodetic methods DC1972.and adjusted by the National Geodetic Survey in June 1996. DC1972.The horizontal coordinates are valid at the epoch date displayed above. DC1972.The epoch date for horizontal control is a decimal equivalence DC1972.of Year/Month/Day. DC1972 DC1972.The orthometric height was scaled from a topographic map. DC1972 DC1972.The Laplace correction was computed from DEFLEC99 derived deflections. DC1972 DC1972.The geoid height was determined by GEOID99. DC1972 DC1972; North East Units Scale Converg. DC1972;SPC CA 6 - 1,904,059.87 6,465,950.04 sFT 0.99998385 -0 10 16.8 DC1972;SPC CA 6 - 580,358.608 1,970,825.514 MT 0.99998385 -0 10 16.8 DC1972;UTM 11 - 3,639,272.936 540,984.842 MT 0.99962071 +0 14 16.7 DC1972 DC1972 SUPERSEDED SURVEY CONTROL DC1972 DC1972 NAD 83(1986)- 32 53 27.09691(N) 116 33 42.49616(W) AD(1984.00) 2 DC1972 NAD 27 - 32 53 26.91400(N) 116 33 39.43400(W) AD( ) 2 DC1972 DC1972.Superseded values are not recommended for survey control. DC1972.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1972.See file dsdata.txt to determine how the superseded data were derived. DC1972 DC1972_MARKER: DS = TRIANGULATION STATION DISK DC1972_SETTING: 0 = UNSPECIFIED SETTING DC1972_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DC1972 DC1972 HISTORY - Date Condition Recov. By DC1972 HISTORY - 1935 MONUMENTED CGS DC1972 HISTORY - 1957 GOOD USGS DC1972 DC1972 STATION DESCRIPTION DC1972 DC1972'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (CP) DC1972'STATION IS LOCATED ON THE HIGHEST POINT OF THE MOUNTAIN DC1972'KNOWN AS EAST MESA. ABOUT 4-1/2 MILES, AIRLINE, SOUTHEAST OF DC1972'CUYAMACA AND 10-1/2 MILES NORTH OF LOS PINOS. STATION IS DC1972'LOCATED ON BRUSHY MOUNTAIN WITH ROCK CAPPED SUMMIT. IT IS DC1972'MARKED WITH A BOLT SET IN CEMENT BETWEEN THE TWO LARGEST DC1972'BOULDERS ON TOP. DC1972' DC1972'REACHED FROM DESCONSO JUNCTION ON U.S. HIGHWAY 80--TURN RIGHT DC1972'NORTH AND GO 0.2 MILE, TURN RIGHT, AND GO 4.6 MILES. TURN DC1972'RIGHT, EAST, JUST BEFORE REACHING BRIDGE NO. 5756 AND DC1972'PASS THROUGH GATE. (KEY MUST BE OBTAINED FROM RANGER AT DC1972'DESCONSO). GO 1.3 MILES AND TAKE LEFT FORK MAIN-TRAVELED DC1972'ROAD. GO 1.2 MILES AND TAKE RIGHT FORK MAIN-TRAVELED ROAD. DC1972'GO 1.0 MILE AND TAKE RIGHT FORK, CONTINUE 0.1 MILE AND TAKE DC1972'LEFT FORK MAIN-TRAVELED ROAD. GO 0.5 MILE AND TAKE RIGHT FORK, DC1972'GO 0.3 MILE AND TAKE RIGHT FORK. GO 0.8 MILE AND TAKE RIGHT DC1972'FORK. GO 0.4 MILE AND TAKE RIGHT FORK. GO 0.55 MILE AND TURN DC1972'RIGHT OFF ROAD UP INTO A GRASS MESA WHICH LEADS TO THE BASE DC1972'OF MOUNTAIN. GO 0.1 MILE TO END OF TRUCK TRAVEL. CONTINUE ON DC1972'FOOT TO WEST AND THEN NORTH TO SUMMIT. A 20 MINUTE PACK. DC1972 DC1972 STATION RECOVERY (1957) DC1972 DC1972'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 DC1972'TO REACH FROM DESCONSO JUNCTION ON U.S. HIGHWAY 80--PROCEED DC1972'NORTHEAST 1.4 MILES ON U.S. HIGHWAY 80 TO JUNCTION WITH DC1972'STATE HIGHWAY 79, TURN LEFT, NORTH, AND GO 4.8 MILES. TURN DC1972'RIGHT, EAST, JUST BEFORE REACHING BRIDGE NO. 5756 AND PASS DC1972'THROUGH GATE. (KEY MUST BE OBTAINED FROM USFS RANGER AT DC1972'DESCONSO R.S.) PROCEED EASTERLY ON TRUCK TRAIL 2.1 MILES DC1972'AND TAKE RIGHT FORK MAIN-TRAVELED ROAD ONTO GRASS MESA. GO DC1972'0.6 MILE AND TAKE RIGHT FORK, CONTINUE 0.3 MILE AND TAKE DC1972'RIGHT FORK. PROCEED SOUTHWEST FROM HERE 2.0 MILES TO END OF DC1972'TRUCK TRAVEL AT BASE OF ROCKY PEAK. CONTINUE ON FOOT DC1972'NORTHWESTERLY TO TOP. A 20 MINUTE PACK. A NEW ROAD IS IN THE DC1972'PROCESS OF CONSTRUCTION AT THIS TIME (1957) WHICH WILL DC1972'PASS DIRECTLY BELOW THE NORTH SIDE OF THE MOUNTAIN AND DC1972'SHOULD CONSIDERABLY SHORTEN THE FOREGOING DESCRIPTION. *** retrieval complete. Elapsed Time = 00:00:08