National Geodetic Survey, Retrieval Date = DECEMBER 15, 2003 DC1915 *********************************************************************** DC1915 DESIGNATION - CONE DC1915 PID - DC1915 DC1915 STATE/COUNTY- CA/SAN DIEGO DC1915 USGS QUAD - TIERRA DEL SOL (1959) DC1915 DC1915 *CURRENT SURVEY CONTROL DC1915 ___________________________________________________________________ DC1915* NAD 83(1992)- 32 36 32.57307(N) 116 16 06.15795(W) ADJUSTED DC1915* NAVD 88 - 1202.2 (meters) 3944. (feet) VERTCON DC1915 ___________________________________________________________________ DC1915 EPOCH DATE - 1991.35 DC1915 LAPLACE CORR- -2.12 (seconds) DEFLEC99 DC1915 GEOID HEIGHT- -32.36 (meters) GEOID99 DC1915 DC1915 HORZ ORDER - FIRST DC1915 DC1915.The horizontal coordinates were established by classical geodetic methods DC1915.and adjusted by the National Geodetic Survey in June 1996. DC1915.The horizontal coordinates are valid at the epoch date displayed above. DC1915.The epoch date for horizontal control is a decimal equivalence DC1915.of Year/Month/Day. DC1915 DC1915.The NAVD 88 height was computed by applying the VERTCON shift value to DC1915.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1915 DC1915.The Laplace correction was computed from DEFLEC99 derived deflections. DC1915 DC1915.The geoid height was determined by GEOID99. DC1915 DC1915; North East Units Scale Converg. DC1915;SPC CA 6 - 549,061.931 1,998,274.999 MT 1.00003358 -0 00 36.4 DC1915;SPC CA 6 - 1,801,380.69 6,556,007.23 sFT 1.00003358 -0 00 36.4 DC1915;UTM 11 - 3,608,183.529 568,645.766 MT 0.99965811 +0 23 39.4 DC1915 DC1915: Primary Azimuth Mark Grid Az DC1915:SPC CA 6 - M 58 330 19 18.8 DC1915:UTM 11 - M 58 329 55 03.0 DC1915 DC1915|---------------------------------------------------------------------| DC1915| PID Reference Object Distance Geod. Az | DC1915| dddmmss.s | DC1915| CE9170 CONE RM 1 3.138 METERS 01209 | DC1915| DC1896 MOUNTAIN MEADOW DAIRY TANK APPROX. 9.2 KM 0813545.2 | DC1915| CE9171 CONE RM 2 8.799 METERS 17534 | DC1915| DC2014 TECATE PEAK RADAR SCREEN APPROX.39.6 KM 2652050.7 | DC1915| DC2041 LYONS PEAK LOOKOUT TOWER APPROX.47.6 KM 2823823.3 | DC1915| DC1996 AIRWAY BCN 3 8 MI S OF GUATAY APPROX.32.2 KM 2954617.1 | DC1915| DC1911 TECATE DIVIDE TOWER APPROX. 6.3 KM 3123908.5 | DC1915| DC0203 M 58 APPROX. 2.1 KM 3301842.4 | DC1915| CE9169 CONE AZ MK 3475904.8 | DC1915| DC1948 SAN DIEGO TUCSON AWY BCN 5 APPROX.16.4 KM 3525227.8 | DC1915|---------------------------------------------------------------------| DC1915 DC1915 SUPERSEDED SURVEY CONTROL DC1915 DC1915 NAD 83(1986)- 32 36 32.57482(N) 116 16 06.15659(W) AD(1984.00) 1 DC1915 NAD 27 - 32 36 32.34700(N) 116 16 03.08800(W) AD( ) 1 DC1915 NGVD 29 (07/19/86) 1201.4 (m) 3942. (f) VERT ANG DC1915 DC1915.Superseded values are not recommended for survey control. DC1915.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1915.See file dsdata.txt to determine how the superseded data were derived. DC1915 DC1915_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS6864608184(NAD 83) DC1915_MARKER: DS = TRIANGULATION STATION DISK DC1915_SETTING: 66 = SET IN ROCK OUTCROP DC1915 DC1915 HISTORY - Date Condition Report By DC1915 HISTORY - 1935 MONUMENTED CGS DC1915 HISTORY - 1954 GOOD CGS DC1915 HISTORY - 1958 GOOD CGS DC1915 HISTORY - 1976 GOOD NGS DC1915 DC1915 STATION DESCRIPTION DC1915 DC1915'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (CP) DC1915'THE STATION IS LOCATED ON A PROMINENT, SHARP-CONICAL HILL, DC1915'ABOUT 4 MILES AIRLINE WEST OF JACUMBA AND 1/2 MILE NORTH DC1915'OF THE MEXICAN BOUNDARY. DC1915' DC1915'REACHED FROM JACUMBA AS FOLLOWS--GO WEST ON U.S. HIGHWAY DC1915'80 5.6 MILES TO THE BOULEVARD STORE, TURN SOUTH ON DIRT DC1915'ROAD, GO 0.3 MILE, TAKE RIGHT FORK, GO 0.3 MILE, TAKE RIGHT DC1915'FORK, GO 0.8 MILE, TAKE RIGHT FORK, GO 0.6 MILE, TURN LEFT, DC1915'GO 0.1 MILE AND KEEP STRAIGHT AHEAD INTO LANE 0.2 MILE, TURN DC1915'RIGHT THROUGH GATE, GO 0.3 MILE, TAKE LEFT FORK, GO 0.1 DC1915'MILE, TURN LEFT AND GO 0.6 MILE, TAKE LEFT FORK, GO 0.2 DC1915'MILE TO THE RAILROAD TRACKS. CROSS RAILROAD TRACKS AND DC1915'GO 0.3 MILE, KEEP STRAIGHT AHEAD OR RIGHT, GO 0.1 MILE TO A DC1915'HOUSE. TURN LEFT PASSING TO THE NORTH OF HOUSE AND GO 0.4 DC1915'MILE TO THE END OF TRUCK TRAVEL. CONTINUE ON FOOT ACROSS DC1915'WASH, THENCE UP HILL TO ITS SUMMIT AND THE STATION. DC1915' DC1915'SURFACE AND REFERENCE MARKS ARE STANDARD BRONZE DISKS WEDGED DC1915'IN A DRILL HOLE IN OUTCROPPING BEDROCK. DC1915' DC1915'BOUNDARY MONUMENT NO. 235 (AZIMUTH) 1 MILE WEST-SOUTHWEST DC1915'ON THE SUMMIT OF NEXT RIDGE. DC1915 DC1915 STATION RECOVERY (1954) DC1915 DC1915'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) DC1915'THE STATION AND ALL MARKS WERE RECOVERED IN GOOD CONDITION. DC1915'A DIFFERENCE IN THE DISTANCE TO REFERENCE MARK 1 WAS NOTED. DC1915'THE ORIGINAL ROUTE TO THE STATION IS NOW OBSOLETE. A COMPLETE DC1915'NEW DESCRIPTION FOLLOWS-- DC1915' DC1915'THE STATION IS LOCATED ABOUT 4 MILES (AIR LINE) WEST OF JACUMBA DC1915'AND 1/2 MILE NORTH OF THE UNITED STATES-MEXICO BOUNDARY. IT DC1915'IS 8 FEET EAST OF THE HIGHEST POINT OF A PROMINENT, CONICAL-SHAPED DC1915'HILL. DC1915' DC1915'TO REACH FROM THE POST OFFICE IN BOULEVARD, GO WEST ON U.S. DC1915'HIGHWAY 80 FOR 1.7 MILES TO A PAVED ROAD LEFT. TURN LEFT DC1915'(SOUTH) AND FOLLOW THE PAVED ROAD FOR 1.9 MILES TO A DIRT DC1915'ROAD RIGHT. TURN RIGHT, CROSS CATTLE GUARD, AND GO 0.1 MILE DC1915'TO A GATE. PASS THROUGH THE GATE AND FOLLOW THE BLADED ROAD DC1915'SOUTH FOR 0.3 MILE TO A GATE. PASS THROUGH THE GATE AND FOLLOW DC1915'THE BLADED ROAD SOUTH FOR 1.0 MILE TO A RAILROAD CROSSING, DC1915'A FORK AND A GATE. CROSS THE RAILROAD TRACKS, TAKE THE RIGHT DC1915'FORK, PASS THROUGH THE GATE AND GO SOUTH FOR 0.05 MILE TO A DC1915'DIM FORK. TAKE THE LEFT FORK, DIM ROAD, AND FOLLOW ALONG THE DC1915'WEST SIDE OF THE FENCE FOR 0.3 MILE TO A GATE. PASS DC1915'THROUGH THE GATE AND FOLLOW THE ROAD FOR 0.1 MILE TO A DC1915'T-INTERSECTION. TURN RIGHT (SOUTH) AND GO 0.35 MILE TO A DC1915'FORK. TAKE THE RIGHT FORK AND GO 0.15 MILE TO A FORK. TAKE DC1915'THE LEFT FORK AND GO 0.1 MILE TO THE END OF TRUCK TRAVEL. DC1915'PACK SOUTH UP THE STEEP SLOPE TO THE TOP OF THE HILL AND THE DC1915'STATION. THIS IS ABOUT A 30 MINUTE PACK. DC1915' DC1915'THE STATION MARK, A STANDARD DISK STAMPED CONE 1935, IS SET DC1915'IN A DRILL HOLE IN OUTCROPPING BEDROCK. DC1915' DC1915'REFERENCE MARK 1, A STANDARD DISK STAMPED CONE NO 1 1935, DC1915'IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS DC1915'ABOUT 18 INCHES ABOVE THE GROUND. IT IS ABOUT 1 FOOT LOWER DC1915'THAN THE STATION MARK. DC1915' DC1915'REFERENCE MARK 2, A STANDARD DISK STAMPED CONE NO 2 1935, IS DC1915'SET IN A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS DC1915'ABOUT 8 INCHES ABOVE THE GROUND. IT IS ABOUT 30 INCHES LOWER DC1915'THAN THE STATION MARK. DC1915' DC1915'BOUNDARY MONUMENT 235 1935 CAN BE USED FOR AZIMUTH. DC1915 DC1915 STATION RECOVERY (1958) DC1915 DC1915'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (WRH) DC1915'THE STATION AND TWO REFERENCE MARKS WERE RECOVERED IN GOOD DC1915'CONDITION AND A NEW AZIMUTH MARK WAS SET. THE NEW MARK IS DC1915'A STANDARD BRONZE DISK. A COMPLETE DC1915'DESCRIPTION FOLLOWS-- DC1915' DC1915'THE STATION IS LOCATED ABOUT 4 MILES AIRLINE WEST OF JACUMBA DC1915'AND 1/2 MILE NORTH OF THE UNITED STATES-MEXICO BOUNDARY. IT DC1915'IS ON A PROMINENT CONICAL SHAPED HILL. DC1915' DC1915'TO REACH THE STATION FROM THE POST OFFICE IN BOULEVARD GO DC1915'WESTERLY ON U.S. HIGHWAY 80 FOR 0.9 MILE TO A HARD SURFACED DC1915'ROAD ON THE LEFT. TURN LEFT AND GO SOUTH FOR 1.9 MILES TO DC1915'A SIDE ROAD ON THE RIGHT. TURN RIGHT AND GO SOUTHERLY ON DC1915'FARM ROAD FOR 0.15 MILE TO A GATE, CONTINUE 0.15 MILE TO A FORK. DC1915'KEEP THE RIGHT FORK AND GO 0.15 MILE TO A LARGE WOODEN GATE, DC1915'CONTINUE 0.85 MILE TO A FORK. KEEP THE LEFT FORK AND GO DC1915'SOUTHERLY FOR 0.2 MILE TO A RAILROAD TRACK. CROSS THE TRACKS DC1915'TO A LOCKED GATE ON THE LEFT. (USE U.S. FOREST SERVICE KEY) DC1915'PASS THROUGH THE GATE AND TURN RIGHT AND GO SOUTHERLY FOR DC1915'0.2 MILE TO A FORK. KEEP LEFT FORK AND SOUTHERLY FOR 0.45 DC1915'MILES TO A FORK. KEEP RIGHT FORK AND GO 0.15 MILE TO A FORK. DC1915'KEEP LEFT FORK CROSSING A LARGE DRY WASH FOR 0.2 MILE TO DC1915'A FORK. KEEP THE LEFT FORK AND GO 0.1 MILE TO THE END OF DC1915'TRUCK TRAVEL AND THE AZIMUTH MARK ON THE LEFT. DC1915' DC1915'THE STATION MARK IS 8 FEET EAST DC1915'OF THE HIGHEST POINT OF THE HILL. MARK IS STAMPED CONE 1935. DC1915' DC1915'REFERENCE MARK NUMBER ONE DC1915'IS STAMPED CONE NO 1 1935 AND IS ABOUT 1 FOOT LOWER THAN THE DC1915'STATION. DC1915' DC1915'REFERENCE MARK NUMBER TWO IS DC1915'STAMPED CONE NO 2 1935 AND IS ABOUT 3 FEET LOWER THAN THE DC1915'STATION. DC1915' DC1915'THE AZIMUTH MARK IS A STANDARD BRONZE DISK STAMPED CONE 1935 1957 DC1915'SET IN CEMENT IN A DRILL HOLE IN A BOULDER WHICH HAS AN DC1915'EXPOSED SURFACE THAT PROJECTS 5 FEET. MARK IS 3 FEET NORTHEAST DC1915'OF A 2 FOOT CAIRN, AND ABOUT 30 YARDS NORTH OF THE ROAD AT THE DC1915'END OF TRUCK TRAVEL. DC1915 DC1915 STATION RECOVERY (1976) DC1915 DC1915'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (ILC) DC1915'RM 1 TO RM 2 BLOCKED BY ROCKS. DC1915' DC1915'THE STATION MARK, AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN DC1915'GOOD CONDITION. THE DISTANCE TO REFERENCE MARK 1 CHECKED, BUT DC1915'0.005 METER SHORTER WAS NOTED TO REFERENCE MARK 2. THE DIRECTION DC1915'TO REFERENCE MARK 2 CHECKED. REFERENCE MARK 1 IS TOO CLOSE TO DC1915'FOCUS ON, SO ONLY AN APPROXIMATE DIRECTION WAS OBTAINED. A NEW DC1915'DESCRIPTION FOLLOWS-- DC1915' DC1915'THE STATION IS LOCATED IN T 18 S. R 7 E. NORTH CENTRAL SECTION DC1915'16, 4.5 MILES SOUTH-SOUTHEAST OF THE TWIN VILLAGES OF DC1915'BOULEVARD-MANZANITA, 5 MILES WEST OF JACUMBA, 0.25 MILE NORTH OF DC1915'THE UNITED STATES-MEXICO BOUNDARY, AT THE TOP OF BOUNDARY DC1915'MOUNTAIN, A LONE, CONE-SHAPED HILL ABOUT 500 FEET ABOVE THE VALLEY DC1915'FLOOR. DC1915' DC1915'TO REACH THE STATION FROM THE EAST COUNTY JUSTICE COURT BUILDING DC1915'IN BOULEVARD-MANZANITA AT OLD HIGHWAY 80, GO SOUTH ON JEWEL DC1915'VALLEY ROAD FOR 2.6 MILES TO END OF PAVEMENT AND A DIRT ROAD DC1915'RIGHT. TURN RIGHT, WEST, PASSING THROUGH GATE, FOR 0.9 MILE TO DC1915'A FORK. BEAR LEFT FOR 0.55 MILE TO A RAILROAD CROSSING. CROSS DC1915'TRACK AND GO 100 FEET TO A FORK WITH A GATE ON EACH ROAD. BEAR DC1915'LEFT, EAST, PASSING THROUGH GATE, FOR 1.0 MILE TO A TRACK DC1915'CROSSROAD. TURN RIGHT, SOUTH ON TRACK ROAD FOR 0.9 MILE DC1915'AROUND WEST AND SOUTH SIDE OF HILL TO THE END OF 2-WHEEL DRIVE DC1915'SOUTHEAST OF THE HILL. (A JEEP CAN GO ANOTHER 0.2 MILE UP DC1915'SWITCHBACK ROAD BUT IT IS VERY NARROW AND SANDY WITH NO PLACE DC1915'TO TURN AROUND). PACK UP SOUTHEAST SIDE OF HILL TO TOP AND DC1915'STATION. (A 30 MINUTE PACK FROM END OF 2-WHEEL DRIVE). DC1915' DC1915'STATION MARK, A STANDARD DISK STAMPED CONE 1935, IS CEMENTED IN DC1915'A DRILL HOLE IN A FLAT 2-FOOT SQUARE BOULDER THAT PROJECTS 1 DC1915'FOOT ABOVE GROUND. DC1915' DC1915'REFERENCE MARK 1, A STANDARD DISK STAMPED CONE NO 1 1935, IS DC1915'CEMENTED IN A DRILL HOLE IN A FLAT 8 X 10-FOOT BOULDER. IT IS 3 DC1915'FEET SOUTHWEST OF THE NORTHEAST END, AND LEVEL WITH THE STATION. DC1915' DC1915'REFERENCE MARK 2, A STANDARD DISK STAMPED CONE NO 2 1935, IS DC1915'CEMENTED IN A DRILL HOLE IN A TRIANGULAR-SHAPED BOULDER THAT IS DC1915'3 FEET ON A SIDE, AND 3 FEET LOWER THAN THE STATION. DC1915' DC1915'HEIGHT OF LIGHT ABOVE STATION MARK 1.6 METER. DC1915' DC1915'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN DC1915'4.5 MILES SSE OF BOULEVARD-MANZANITA.