National Geodetic Survey, Retrieval Date = OCTOBER 28, 2000 DC1946 *********************************************************************** DC1946 DESIGNATION - STAGE DC1946 PID - DC1946 DC1946 STATE/COUNTY- CA/SAN DIEGO DC1946 USGS QUAD - AGUA CALIENTE SPRING (1959) DC1946 DC1946 *CURRENT SURVEY CONTROL DC1946 ___________________________________________________________________ DC1946* NAD 83(1992)- 32 54 54.25417(N) 116 17 08.08446(W) ADJUSTED DC1946* NAVD 88 - 858.7 (meters) 2817. (feet) VERTCON DC1946 ___________________________________________________________________ DC1946 EPOCH DATE - 1991.35 DC1946 LAPLACE CORR- -9.95 (seconds) DEFLEC99 DC1946 GEOID HEIGHT- -32.83 (meters) GEOID99 DC1946 DC1946 HORZ ORDER - THIRD DC1946 DC1946.The horizontal coordinates were established by classical geodetic methods DC1946.and adjusted by the National Geodetic Survey in June 1996. DC1946.The horizontal coordinates are valid at the epoch date displayed above. DC1946.The epoch date for horizontal control is a decimal equivalence DC1946.of Year/Month/Day. DC1946 DC1946.The NAVD 88 height was computed by applying the VERTCON shift value to DC1946.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1946 DC1946.The Laplace correction was computed from DEFLEC99 derived deflections. DC1946 DC1946.The geoid height was determined by GEOID99. DC1946 DC1946; North East Units Scale Converg. DC1946;SPC CA 6 - 1,912,727.40 6,550,747.75 sFT 0.99998069 -0 01 10.4 DC1946;SPC CA 6 - 583,000.479 1,996,671.909 MT 0.99998069 -0 01 10.4 DC1946;UTM 11 - 3,642,098.048 566,802.813 MT 0.99965502 +0 23 17.6 DC1946 DC1946: Primary Azimuth Mark Grid Az DC1946:SPC CA 6 - STAGE AZ MK 100 39 40.3 DC1946:UTM 11 - STAGE AZ MK 100 15 12.3 DC1946 DC1946|---------------------------------------------------------------------| DC1946| PID Reference Object Distance Geod. Az | DC1946| dddmmss.s | DC1946| STAGE RM 1 13.135 METERS 09357 | DC1946| STAGE AZ MK 1003829.9 | DC1946| STAGE RM 2 7.730 METERS 33755 | DC1946|---------------------------------------------------------------------| DC1946 DC1946 SUPERSEDED SURVEY CONTROL DC1946 DC1946 NAD 83(1986)- 32 54 54.26169(N) 116 17 08.08082(W) AD(1984.00) 3 DC1946 NAD 27 - 32 54 54.06100(N) 116 17 05.00800(W) AD( ) 3 DC1946 NGVD 29 - 858.0 (m) 2815. (f) VERT ANG DC1946 DC1946.Superseded values are not recommended for survey control. DC1946.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1946.See file dsdata.txt to determine how the superseded data were derived. DC1946 DC1946_MARKER: DS = TRIANGULATION STATION DISK DC1946_SETTING: 66 = SET IN ROCK OUTCROP DC1946 DC1946 HISTORY - Date Condition Recov. By DC1946 HISTORY - 1939 MONUMENTED CGS DC1946 HISTORY - 1941 GOOD CGS DC1946 DC1946 STATION DESCRIPTION DC1946 DC1946'DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FGJ) DC1946'STATION IS ON THE HIGHEST POINT OF A ROUND-LIKE HILL WHICH DC1946'IS ABOUT 2 MILES BACK FROM THE POINT OF THE RIDGE THAT EXTENDS DC1946'OUT INTO THE VALLECITO WASH, ABOUT 300 YARDS SW OF ANOTHER POINT DC1946'THAT IS SLIGHTLY LOWER. IT IS ABOUT 7 MILES SSE OF THE OLD DC1946'VALLECITO STAGE STATION, 11-1/2 MILES W OF CARRIZO SPRINGS, DC1946'AND ABOUT 26 MILES WNW OF PLASTER CITY. DC1946' DC1946'STATION MARK IS A STANDARD BRONZE DISK SET IN A DRILL HOLE DC1946'IN OUTCROPPING BEDROCK. DC1946' DC1946'REFERENCE, AND AZIMUTH MARKS ARE STANDARD BRONZE DISKS SET DC1946'IN DRILL HOLES IN BOULDERS. DC1946' DC1946'TO REACH STATION FROM PLASTER CITY, ON U.S. HIGHWAY 80 GO N DC1946'ON DIRT ROAD THROUGH CAMP 0.2 MILE, PASSING THROUGH DUMP, DC1946'CONTINUE ON MAIN-TRAVELED ROAD 1.0 MILE, TURN LEFT ACROSS DC1946'RAILROAD TRACKS (SIGN EL CENTRO 18-CARRIZO 17-VALLECITO 38-JULIAN DC1946'67), FOLLOW MAIN-TRAVELED ROAD 6.9 MILES TO SIGN (IMPERIAL DC1946'CORRALS 13-IMPERIAL 23-CARRIZO 10), CONTINUE WESTWARD FOR DC1946'4.9 MILES TO SIGN (CARRIZO 5-1/2 - AQUA CALIENTE 21 ETC.), DC1946'ENTER WASH AND CONTINUE 5.5 MILES TO SIGN (CARRIZO ONE-TENTH DC1946'MILE), KEEP STRAIGHT AHEAD ON MAIN-TRAVELED ROAD FOR 9.8 DC1946'MILES, TURN SHARP LEFT ONTO ROAD COMING IN FROM S AND GO 0.4 DC1946'MILE, TURN SHARP RIGHT (THIS ROAD PARALLELS THE ROAD BELOW DC1946'THAT RUNS ALONG MAIN WASH) AND GO 3/4 MILE, TURN LEFT OFF DC1946'ROAD AND HEAD FOR MOUTH OF CANYON IN HILLS OVER VERY ROCKY DC1946'AND CACTUS COVERED SLOPE AS FAR AS TRUCK CAN BE DRIVEN DC1946'WHICH IS ABOUT 0.15 MILE. PACK UP SLOPE TO MOUTH OF DC1946'CANYON AND ON UP CANYON WASH TO DRY WATER FALLS, ABOUT DC1946'20 MINUTES, HERE PACK UP SIDE OF SMALL CLIFF TO LEFT OF DC1946'FALLS AND ON UP SIDE OF HILL TO RIDGE AND FOLLOW DC1946'WESTERLY ALONG RIDGE TO STATION. AZIMUTH MARK IS ON DC1946'THIS RIDGE 0.30 MILE BEFORE REACHING STATION. DC1946' DC1946'STATION IS ABOUT A 2 1/4-HOUR PACK. DC1946 DC1946 STATION RECOVERY (1941) DC1946 DC1946'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1941 (JCS) DC1946'STATION WAS FOUND IN GOOD CONDITION. DC1946' DC1946'STATION MARK IS A STANDARD BRONZE DISK CEMENTED INTO THE TOP OF DC1946'OUTCROPPING BEDROCK, STAMPED STAGE 1939. THE TOP OF THE DC1946'MARK IS ABOUT 4 INCHES ABOVE GROUND. DC1946' DC1946'REFERENCE MARK NO. 1 IS A STANDARD BRONZE DISK STAMPED STAGE DC1946'NO. 1, 1939 AND IS CEMENTED INTO THE TOP OF A LARGE BOULDER, DC1946'AND IS ABOUT 4 FEET ABOVE THE GROUND. DC1946' DC1946'REFERENCE MARK NO. 2 IS A STANDARD BRONZE DISK STAMPED STAGE DC1946'NO. 2, 1939 IS CEMENTED INTO THE TOP OF OUTCROPPING BEDROCK DC1946'AND IS ABOUT 1 FOOT ABOVE THE GROUND. DC1946' DC1946'AZIMUTH MARK IS A STANDARD BRONZE DISK STAMPED STAGE 1939 AND DC1946'CEMENTED INTO THE TOP OF OUTCROPPING BEDROCK. IT IS ON DC1946'TOP OF A RISE ON THE RIDGE WHICH IS TRAVELED BEFORE REACHING DC1946'STATION. DC1946' DC1946'THE DISTANCE TO REFERENCE MARK NO. 1 IS FOUND TO BE 0.095 FOOT DC1946'SHORTER THAN MEASURED IN 1939.