National Geodetic Survey, Retrieval Date = JANUARY 20, 2002 DC1894 *********************************************************************** DC1894 DESIGNATION - OFFSET 232 DC1894 PID - DC1894 DC1894 STATE/COUNTY- CA/SAN DIEGO DC1894 USGS QUAD - DC1894 DC1894 *CURRENT SURVEY CONTROL DC1894 ___________________________________________________________________ DC1894* NAD 83(1992)- 32 37 00.05599(N) 116 08 42.11451(W) ADJUSTED DC1894* NAVD 88 - 1089.8 (meters) 3575. (feet) VERTCON DC1894 ___________________________________________________________________ DC1894 EPOCH DATE - 1991.35 DC1894 LAPLACE CORR- -0.77 (seconds) DEFLEC99 DC1894 GEOID HEIGHT- -32.52 (meters) GEOID99 DC1894 DC1894 HORZ ORDER - FIRST DC1894 DC1894.The horizontal coordinates were established by classical geodetic methods DC1894.and adjusted by the National Geodetic Survey in June 1996. DC1894.The horizontal coordinates are valid at the epoch date displayed above. DC1894.The epoch date for horizontal control is a decimal equivalence DC1894.of Year/Month/Day. DC1894 DC1894.The NAVD 88 height was computed by applying the VERTCON shift value to DC1894.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1894 DC1894.The Laplace correction was computed from DEFLEC99 derived deflections. DC1894 DC1894.The geoid height was determined by GEOID99. DC1894 DC1894; North East Units Scale Converg. DC1894;SPC CA 6 - 549,913.375 2,009,852.126 MT 1.00003191 +0 03 27.7 DC1894;SPC CA 6 - 1,804,174.13 6,593,989.85 sFT 1.00003191 +0 03 27.7 DC1894;UTM 11 - 3,609,116.199 580,212.390 MT 0.99967934 +0 27 39.1 DC1894 DC1894: Primary Azimuth Mark Grid Az DC1894:SPC CA 6 - HOT SPRING 271 32 23.8 DC1894:UTM 11 - HOT SPRING 271 08 12.4 DC1894 DC1894|---------------------------------------------------------------------| DC1894| PID Reference Object Distance Geod. Az | DC1894| dddmmss.s | DC1894| OFFSET 232 RM 1 8.333 METERS 04754 | DC1894| DC1891 BOUNDARY MON 232 US MEX 172.071 METERS 14140 | DC1894| OFFSET 232 RM 2 11.526 METERS 16902 | DC1894| DC0168 HOT SPRING APPROX. 3.4 KM 2713551.5 | DC1894| DC1895 JACUMBA STD OIL CO GASOLINE TK APPROX. 4.6 KM 2760405.8 | DC1894| DC1893 JACUMBA UNION OIL CO TK E OF 3 APPROX. 4.4 KM 2772851.3 | DC1894| DC1896 MOUNTAIN MEADOW DAIRY TANK APPROX. 2.5 KM 2810748.0 | DC1894|---------------------------------------------------------------------| DC1894 DC1894 SUPERSEDED SURVEY CONTROL DC1894 DC1894 NAD 83(1986)- 32 37 00.05849(N) 116 08 42.11394(W) AD(1984.00) 1 DC1894 NAD 27 - 32 36 59.83300(N) 116 08 39.04900(W) AD( ) 1 DC1894 NGVD 29 - 1089.0 (m) 3573. (f) VERT ANG DC1894 DC1894.Superseded values are not recommended for survey control. DC1894.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1894.See file dsdata.txt to determine how the superseded data were derived. DC1894 DC1894_MARKER: DS = TRIANGULATION STATION DISK DC1894_SETTING: 66 = SET IN ROCK OUTCROP DC1894 DC1894 HISTORY - Date Condition Report By DC1894 HISTORY - 1935 MONUMENTED CGS DC1894 HISTORY - 1954 GOOD CGS DC1894 HISTORY - 1976 GOOD NGS DC1894 DC1894 STATION DESCRIPTION DC1894 DC1894'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (CP) DC1894'THE STATION IS LOCATED 3 MILES EAST OF THE TOWN OF JACUMBA DC1894'ON THE FIRST FLAT TOPPED HILL. IT IS ABOUT 150 YARDS DC1894'NORTH-NORTHEAST OF WHERE THE UNITED STATES-MEXICO BOUNDARY FENCE DC1894'PASSES THROUGH THE SADDLE OF THE HILL. IT IS IN A POSITION TO DC1894'SEE THE MONUMENT NO. 232 WHICH IS LOCATED IN THE SADDLE. DC1894' DC1894'REACHED FROM JACUMBA AS FOLLOWS--GO EAST ON U.S. HIGHWAY 80 DC1894'1.3 MILES TO THE FIRST TURN IN THE HIGHWAY. LEAVE HIGHWAY DC1894'AND CONTINUE DUE EAST ON A DIRT ROAD 0.9 MILE TO A HOUSE. DC1894'CONTINUE PAST THE HOUSE THEN RIGHT 0.3 MILE TO THE MOUTH DC1894'OF THE DRAW AND THE END OF TRUCK TRAVEL. FROM HERE CONTINUE DC1894'ON FOOT UP THE DRAW TO THE BOUNDARY MONUMENT, THEN DC1894'NORTH-NORTHEAST 150 YARDS TO THE STATION. DC1894' DC1894'SURFACE AND REFERENCE MARKS ARE STANDARD BRONZE DISKS WEDGED DC1894'IN A DRILL HOLE IN OUTCROPPING BEDROCK. DC1894 DC1894 STATION RECOVERY (1954) DC1894 DC1894'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) DC1894'THE STATION WAS RECOVERED AS DESCRIBED IN THE 1935 DESCRIPTION. DC1894'ALL MARKS WERE FOUND TO BE IN GOOD CONDITION. A DIFFERENCE DC1894'WAS NOTED IN THE DIRECTIONS TO THE MARKS. A NEW DESCRIPTION DC1894'FOLLOWS-- DC1894' DC1894'THE STATION IS LOCATED ON THE FIRST FLAT-TOPPED HILL ABOUT DC1894'3 MILES EAST OF THE TOWN OF JACUMBA, 180 YARDS NORTHWEST DC1894'OF BOUNDARY MONUMENT 232, WHICH MARKS THE POINT WHERE THE DC1894'UNITED STATES-MEXICO BOUNDARY PASSES THROUGH A SADDLE IN THE DC1894'HILL. IT IS ON A ROCKY POINT ON THE NORTH EDGE OF THE SADDLE, DC1894'AND IN A POSITION TO SEE BOUNDARY MONUMENT 232. DC1894' DC1894'TO REACH THE STATION FROM THE POST OFFICE IN JACUMBA, GO DC1894'EAST ON U.S. HIGHWAY 80 FOR 1.3 MILES TO A POINT WHERE THE DC1894'HIGHWAY TURNS TO THE LEFT IN A NORTHERLY DIRECTION. LEAVE THE DC1894'HIGHWAY AND CONTINUE EAST ON A DIRT ROAD FOR 0.9 MILE TO A DC1894'HOUSE ON THE RIGHT. PASS THE HOUSE AND CONTINUE IN AN EASTERLY DC1894'DIRECTION TO THE MOUTH OF A ROCKY DRAW AND THE END OF TRUCK DC1894'TRAVEL, THIS DISTANCE BEING ABOUT 0.3 MILE. FROM HERE PACK DC1894'UP THE DRAW, ON THE BOUNDARY TRAIL, TO BOUNDARY MONUMENT DC1894'232, AND THE STATION AS DESCRIBED. DC1894' DC1894'THE STATION MARK IS A STANDARD DISK STAMPED OFFSET 232 1935. DC1894'IT IS CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK, AND DC1894'IS FLUSH WITH THE GROUND. DC1894' DC1894'REFERENCE MARK 1 IS A STANDARD DISK STAMPED OFFSET 232 NO DC1894'1 1935. IT IS CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK, DC1894'AND IS FLUSH WITH THE GROUND. DC1894' DC1894'REFERENCE MARK 2 IS A STANDARD DISK STAMPED OFFSET 232 NO DC1894'2 1935. IT IS CEMENTED IN A DRILL HOLE IN A BOULDER AND PROJECTS DC1894'4 INCHES. DC1894' DC1894'THERE IS NO AZIMUTH MARK FOR THIS STATION. THE TRIANGULATION DC1894'STATION HOT SPRINGS CAN BE USED AS AN AZIMUTH. DC1894' DC1894'BOUNDARD MONUMENT 232 IS A STANDARD BOUNDARY MARKER, AND IS DC1894'SET ON A CONCRETE BASE. DC1894' DC1894'OBSERVATIONS MADE FROM A 1.25 METER TRIPOD. DC1894 DC1894 STATION RECOVERY (1976) DC1894 DC1894'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (ILC) DC1894'THE STATION MARK, REFERENCE MARKS, 1, 2 AND THE BOUNDARY MONUMENT DC1894'WERE RECOVERED IN GOOD CONDITION. THE DIRECTIONS AND MEASUREMENTS DC1894'TO ALL THE MARKS COMPARED WITH THE OLD DATA. DC1894' DC1894'THE STATION IS LOCATED ABOUT 12.5 MILES SOUTHWEST OF OCOTILLO, DC1894'2.5 MILES EAST OF JACUMBA, 0.7 MILE SOUTH OF OLD HIGHWAY 80, DC1894'0.1 MILE NORTH OF THE U.S. AND MEXICAN BORDER AND ON TOP A FLAT DC1894'HILL THAT SLOPES TO THE SOUTH. IT IS IN THE EAST CENTRAL, SECTION DC1894'10, T 18 S R 8 E. DC1894' DC1894'A NEW AND COMPLETE DESCRIPTION FOLLOWS-- DC1894' DC1894'TO REACH FROM THE POST OFFICE IN JACUMBA, GO SOUTHERLY ON THE DC1894'PAVED STREET FOR 100 FEET TO THE INTERSECTION OF U.S. HIGHWAY DC1894'80. TURN LEFT GOING EASTERLY ON U.S. HIGHWAY 80 FOR 2.9 MILES TO DC1894'A DIRT CIRCLE DRIVE ON THE RIGHT, WITH A TREE IN THE CENTER. TAKE DC1894'THE MAIN DIRT ROAD SOUTHEASTERLY FOR 0.5 MILE TO A REVERSE DC1894'FORK. CONTINUE SOUTHEAST FOR 0.2 MILE TO A FORK. CONTINUE DC1894'SOUTHEAST ON THE MAIN TRACK ROAD FOR 0.15 MILE TO A T-ROAD, AT DC1894'THE BORDER FENCE. TURN RIGHT AND GO WESTERLY ON THE BORDER DC1894'ROAD FOR 0.15 MILE TO A Y-FORK. KEEP LEFT, THE BORDER ROAD FADES DC1894'OUT, THIS IS NOW A TRACK ROAD GOING NORTHWEST AND WEST UPHILL FOR DC1894'0.3 MILE TO THE END OF TRUCK TRAVEL. FROM HERE PACK WESTERLY DC1894'UP THE DIM TRAIL TO THE TOP OF THE HILL AND THE STATION ON THE DC1894'WEST SIDE. DC1894' DC1894'STATION MARK IS A STANDARD DISK STAMPED OFFSET 232 1935 CEMENTED DC1894'IN OUTCROPPING BEDROCK, FLUSH WITH THE TOP OF THE ROCK. IT IS DC1894'4.0 FEET WEST OF A 2-FOOT CAIRN. DC1894' DC1894'REFERENCE MARK 1 IS A STANDARD DISK STAMPED OFFSET 232 NO 1 DC1894'1935 CEMENTED FLUSH IN TOP A DRILL HOLE IN A 2-FOOT DIAMETER DC1894'BEDROCK. IT IS 25.0 FEET NORTH OF THE CAIRN. DC1894' DC1894'REFERENCE MARK 2 IS A STANDARD DISK STAMPED OFFSET 232 NO 2 1935 DC1894'CEMENTED IN A DRILL HOLE IN A BOULDER, PROJECTING 4 INCHES. IT IS DC1894'40 FEET SOUTHWEST OF THE CAIRN. DC1894' DC1894'BOUNDARY MONUMENT 232 IS A STANDARD CAST-IRON 7-FOOT HIGH OBELISK DC1894'PAINTED SILVER AND BOLTED TO A 3-FOOT SQUARE CONCRETE BASE, THE DC1894'MONUMENT HAS THE RAISED NUMBERS 232 ON THE EAST SIDE. IT IS 60 DC1894'FEET SOUTH OF THE FENCE AND IN A SADDLE BETWEEN TWO FLATTOP HILLS. DC1894' DC1894'STATION HOT SPRING WILL SERVE AS AN AZIMUTH. DC1894' DC1894'HEIGHT OF LIGHT ABOVE STATION MARK 4.3 FEET. DC1894' DC1894'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN DC1894'2.5 MILES EAST OF JACUMBA.