National Geodetic Survey, Retrieval Date = OCTOBER 30, 1999 EW7198 *********************************************************************** EW7198 DESIGNATION - COLE EW7198 PID - EW7198 EW7198 STATE/COUNTY- CA/LOS ANGELES EW7198 USGS QUAD - PACIFICO MOUNTAIN (1985) EW7198 EW7198 *CURRENT SURVEY CONTROL EW7198 ___________________________________________________________________ EW7198* NAD 83(1992)- 34 25 17.99503(N) 118 04 19.52839(W) ADJUSTED EW7198* NAVD 88 - 1709.2 (meters) 5608. (feet) VERTCON EW7198 ___________________________________________________________________ EW7198 EPOCH DATE - 1991.35 EW7198 LAPLACE CORR- 4.83 (seconds) DEFLEC99 EW7198 GEOID HEIGHT- -31.67 (meters) GEOID99 EW7198 EW7198 HORZ ORDER - FIRST EW7198 EW7198.The horizontal coordinates were established by classical geodetic methods EW7198.and adjusted by the National Geodetic Survey in June 1996. EW7198.The horizontal coordinates are valid at the epoch date displayed above. EW7198.The epoch date for horizontal control is a decimal equivalence EW7198.of Year/Month/Day. EW7198 EW7198.The NAVD 88 height was computed by applying the VERTCON shift value to EW7198.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EW7198 EW7198.The Laplace correction was computed from DEFLEC99 derived deflections. EW7198 EW7198.The geoid height was determined by GEOID99. EW7198 EW7198; North East Units Scale Converg. EW7198;SPC CA 5 - 1,975,841.91 6,539,925.78 sFT 0.99993855 -0 02 27.9 EW7198;SPC CA 5 - 602,237.819 1,993,373.365 MT 0.99993855 -0 02 27.9 EW7198;UTM 11 - 3,809,432.043 401,484.486 MT 0.99971963 -0 36 21.9 EW7198 EW7198: Primary Azimuth Mark Grid Az EW7198:SPC CA 5 - D DEPT 316 58 23.2 EW7198:UTM 11 - D DEPT 317 32 17.2 EW7198 EW7198|---------------------------------------------------------------------| EW7198| PID Reference Object Distance Geod. Az | EW7198| dddmmss.s | EW7198| COLE RM 2 10.582 METERS 00133 | EW7198| EW7212 MT GLEASON RADAR ANTENNA APPROX.11.0 KM 2430621.8 | EW7198| COLE RM 1 13.710 METERS 29055 | EW7198| D DEPT 3165555.3 | EW7198| COLE AZ MK 3170135.6 | EW7198| EW7102 LANCASTER WATER TANK APPROX.31.2 KM 3483237.4 | EW7198| EW7067 PALMDALE USAF PLANT 42 APT BCN APPROX.21.7 KM 3583225.6 | EW7198|---------------------------------------------------------------------| EW7198 EW7198 SUPERSEDED SURVEY CONTROL EW7198 EW7198 NAD 83(1986)- 34 25 17.99473(N) 118 04 19.52505(W) AD(1984.00) 1 EW7198 NAD 27 - 34 25 18.00680(N) 118 04 16.27030(W) AD( ) 1 EW7198 NGVD 29 - 1708.2 (m) 5604. (f) VERT ANG EW7198 EW7198.Superseded values are not recommended for survey control. EW7198.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EW7198.See file dsdata.txt to determine how the superseded data were derived. EW7198 EW7198 HISTORY - Date Condition Recov. By EW7198 HISTORY - 1940 MONUMENTED CGS EW7198 HISTORY - 1958 MONUMENTED CGS EW7198 HISTORY - 1959 MONUMENTED CGS EW7198 HISTORY - 1967 MONUMENTED CGS EW7198 EW7198 STATION DESCRIPTION EW7198 EW7198'DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) EW7198'STATION IS LOCATED ON THE SUMMIT OF A PROMINENT BRUSHY HILL, EW7198'11-1/2 MILES, AIR LINE, S BY E OF PALMDALE, 8 MILES SE OF EW7198'ACTON 3/4 MILE E OF THE NEW DETENTION PRISON ROAD. EW7198' EW7198'THE STATION MARK IS A STANDARD BRONZE DISK WEDGED IN A DRILL EW7198'HOLE IN A BOULDER AND IS ON THE HIGHEST POINT OF THE HILL EW7198'AND IS STAMPED COLE 1940. EW7198' EW7198'REFERENCE MARK NO. 1 IS A STANDARD BRONZE DISK WEDGED IN A EW7198'DRILL HOLE IN A BOULDER AND IS ABOUT 2 FEET LOWER THAN THE EW7198'STATION MARK AND IS FLUSH, STAMPED COLE 1940 NO. 1. EW7198' EW7198'REFERENCE MARK NO. 2 IS A STANDARD BRONZE DISK WEDGED IN A EW7198'DRILL HOLE IN A BOULDER AND IS ABOUT 1 FOOT LOWER THAN THE EW7198'STATION MARK AND IS FLUSH, STAMPED COLE 1940, NO. 2. EW7198' EW7198'THE AZIMUTH MARK IS 2.9 MILES S OF THE RAILROAD TRACKS MENTIONED EW7198'IN THE DESCRIPTION ON E SIDE OF THE ROAD, BENEATH HIGH TENSION EW7198'POWER LINE POLE (CENTER). THE MARK IS A NAIL SET IN CONCRETE EW7198'IN THE TOP OF A 1 1/4-INCH IRON PIPE WHICH IN TURN IS SET IN EW7198'A CONCRETE POST AND IS 8 INCHES BELOW SURFACE OF GROUND. EW7198' EW7198'TO REACH FROM THE INTERSECTION OF U.S. HIGHWAY 6 AND STATE EW7198'HIGHWAY 138 IN PALMDALE GO S ON U.S. HIGHWAY 6 FOR 6.0 MILES EW7198'AND TURN LEFT ON AN OILED ROAD OPPOSITE VINCENT SERVICE STATION, EW7198'STORE AND CAFE, GO 0.2 MILE, CROSS RAILROAD TRACKS JUST S EW7198'OF THE VINCENT DEPOT, KEEP STRAIGHT AHEAD ON OILED ROAD (L.A. EW7198'COUNTY PRISON ROAD) FOR 2.9 MILES TO A POINT WHERE HIGH TENSION EW7198'LINE CROSSES THE ROAD. THE AZIMUTH MARK IS BENEATH TOWER EW7198'JUST TO THE LEFT OF ROAD. CONTINUE ON ROAD FOR 3.1 MILES EW7198'TO A POINT ABOUT 75 YARDS N OF A POWDER HOUSE ON RIGHT SIDE EW7198'OF ROAD AND END OF TRUCK TRAVEL. FROM THIS POINT PACK UP EW7198'RIDGE TO LEFT OF ROAD WHICH IS ALMOST VOID OF BRUSH, TO THE EW7198'TOP THENCE LEFT TO HIGHEST POINT AND STATION. A 1 EW7198'1/2-HOUR PACK. EW7198 EW7198 STATION RECOVERY (1958) EW7198 EW7198'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (WRH) EW7198'THE STATION WAS RECOVERED AND ALL MARKS FOUND TO BE IN GOOD EW7198'CONDITION. A COMPLETE DESCRIPTION FOLLOWS. EW7198' EW7198'THE STATION IS LOCATED ON THE SUMMIT OF A STEEP, BRUSHY RIDGE. EW7198'IT IS, AIRLINE, ABOUT 11-1/2 MILES SOUTH-SOUTHEAST OF PALMDALE, EW7198'8 MILES SOUTHEAST OF ACTON AND 3/4 MILE EAST OF ANGELES EW7198'CREST HIGHWAY. EW7198' EW7198'TO REACH FROM THE INTERSECTION OF U.S. HIGHWAY 6 AND STATE EW7198'HIGHWAY 138 IN PALMDALE, GO SOUTH ON U.S. HIGHWAY 6 FOR 6.0 EW7198'MILES TO THE INTERSECTION OF ANGELES CREST HIGHWAY ON THE EW7198'LEFT, IN THE VILLAGE OF VINCENT. TURN LEFT AND GO SOUTH ON EW7198'ANGELES CREST HIGHWAY FOR 3.1 MILES TO THE POINT WHERE A HIGH EW7198'TENSION LINE CROSSES THE HIGHWAY. THE AZIMUTH MARK IS 50 YARDS EW7198'EAST OF THE HIGHWAY, UNDER A HIGH TENSION LINE TOWER. CONTINUE EW7198'SOUTH ON THE HIGHWAY FOR 3.2 MILES TO THE INTERSECTION OF EW7198'ALISO CANYON ROAD ON THE RIGHT. FROM HERE PACK EAST UP STEEP EW7198'RIDGE, KEEPING TO LEFT OF BRUSHY RAVINE, FOR ABOUT 3/4 MILE EW7198'TO HIGHEST POINT AND STATION. EW7198' EW7198'THE STATION MARK IS A STANDARD DISK STAMPED COLE 1940, CEMENTED EW7198'IN A DRILL HOLE IN A 1 X 3-FOOT BOULDER THAT PROJECTS 3 INCHES EW7198'ABOVE GROUND. EW7198' EW7198'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED COLE NO EW7198'1 1940, CEMENTED IN A DRILL HOLE IN A 2-FOOT BOULDER THAT EW7198'PROJECTS 6 INCHES ABOVE GROUND. IT IS ABOUT 2-1/2 FEET LOWER EW7198'THAN THE STATION. EW7198' EW7198'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED COLE EW7198'NO 2 1940, CEMENTED IN A DRILL HOLE IN A 2-FOOT BOULDER EW7198'THAT PROJECTS 9 INCHES ABOVE GROUND. IT IS ABOUT 1-1/2 FEET EW7198'LOWER THAN THE STATION. EW7198' EW7198'THE AZIMUTH MARK IS A 1-1/2 INCH IRON PIPE FILLED WITH CEMENT, EW7198'WITH A NAIL SET IN ITS CENTER, SET IN CONCRETE 8 INCHES EW7198'BELOW GROUND SURFACE. IT IS LOCATED BENEATH A HIGH TENSION EW7198'LINE TOWER, AT THE APPROXIMATE CENTER OF ITS BASE, 50 YARDS EW7198'EAST OF THE CENTER LINE OF ANGELES CREST HIGHWAY. EW7198 EW7198 STATION RECOVERY (1959) EW7198 EW7198'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (OSR) EW7198'STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD CONDITION. EW7198'DUE TO ROAD CHANGES ENROUTE TO STATION, A NEW AND COMPLETE EW7198'DESCRIPTION IS AS FOLLOWS-- EW7198' EW7198'STATION IS LOCATED ABOUT 5-1/2 MILES SOUTH AND 2-3/4 MILES EW7198'EAST OF VINCENT, 1-1/4 MILE SOUTH AND 1 MILE WEST OF THE JUNCTION EW7198'OF KENTUCKY SPRINGS CANYON AND SANTIAGO CANYON, 1-1/4 MILES EW7198'EAST AND 1/2 MILE NORTH OF THE WAGONWHEEL RANCH, 3/4 MILE EW7198'NORTHEAST OF THE ANGELES FOREST HIGHWAY, IN THE ANGELES SAN EW7198'GABRIEL MOUNTAINS NATIONAL FOREST AND ON THE SUMMIT OF A EW7198'PROMINENT BRUSHY HILL WHICH IS THE HIGHEST POINT IN THE IMMEDIATE EW7198'VICINITY AND HAS A GEOLOGICAL SURVEY ELEVATION OF 5610 FEET EW7198'ABOVE SEA LEVEL. EW7198' EW7198'TO REACH FROM THE JUNCTION OF THE ANGELES FOREST HIGHWAY AND EW7198'U.S. HIGHWAY 6 IN VINCENT, GO SOUTHERLY ON THE ANGELES FOREST EW7198'HIGHWAY, SURFACED, FOR 3.3 MILES TO A TRANSMISSION LINE CROSSING EW7198'AND THE AZIMUTH MARK ON THE LEFT AS DESCRIBED. CONTINUE EW7198'SOUTHEASTERLY ON SURFACED ROAD FOR 3.3 MILES TO A SIDE ROAD EW7198'RIGHT AT SIGN ALISO CANYON ROAD AND THE END OF TRUCK TRAVEL. EW7198'PACK NORTH-NORTHEASTERLY UP ALONG THE CREST OF A VERY STEEP EW7198'RIDGE, KEEPING TO THE RIGHT SIDE OF ALL SUB-SUMMITS FOR ABOUT EW7198'1-3/4 HOUR TO THE SUMMIT OF THE HILL AND STATION. EW7198' EW7198'STATION MARK IS A STANDARD DISK, STAMPED COLE 1940, CEMENTED IN EW7198'A DRILL HOLE IN A SMALL FLUSH BOULDER. IT IS ABOUT 15 PACES EW7198'NORTHEAST OF THE APPARENT HIGHEST POINT OF THE HILL. (NOTE 4) EW7198' EW7198'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED COLE NO 1 1940, EW7198'CEMENTED IN A DRILL HOLE IN A SMALL BOULDER PROJECTING ABOUT EW7198'4 INCHES. IT IS ABOUT 2 FEET LOWER THAN THE STATION MARK. EW7198'(NOTE 12C) EW7198' EW7198'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED COLE NO 2 1940, EW7198'CEMENTED IN A DRILL HOLE IN A SMALL BOULDER PROJECTING ABOUT EW7198'6 INCHES. IT IS ABOUT AT THE SAME ELEVATION AS THE STATION EW7198'MARK. (NOTE 12C) EW7198' EW7198'AZIMUTH MARK IS A NAIL SET IN CONCRETE IN THE TOP OF A 1-1/4 INCH EW7198'IRON PIPE WHICH IN TURN IS SET IN A CONCRETE POST AND IS ABOUT EW7198'8 INCHES BELOW GROUND SURFACE. IT IS SET NEAR CENTER AT THE EW7198'BASE OF THE FIRST TRANSMISSION LINE TOWER NORTHEAST OF THE EW7198'HIGHWAY. EW7198 EW7198 STATION RECOVERY (1967) EW7198 EW7198'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (CAA) EW7198'STATION MARK, REFERENCE MARKS 1 AND 2 WERE RECOVERED AND EW7198'FOUND IN GOOD CONDITION. AZIMUTH MARK WAS SEARCHED FOR BUT EW7198'COULD NOT BE FOUND AND IS PRESUMED DESTROYED. A NEW AZIMUTH EW7198'MARK WAS ESTABLISHED AT THIS TIME. FOLLOWING IS A NEW AND EW7198'COMPLETE DESCRIPTION. EW7198' EW7198'STATION IS LOCATED ABOUT 12 MILES SOUTH-SOUTHEAST OF PALMDALE, EW7198'6 MILES SOUTH OF STATE HIGHWAY 14, 3/4 MILE EAST OF ANGELES EW7198'FOREST HIGHWAY AND IS ON THE HIGHEST POINT OF A BRUSH COVERED EW7198'RIDGE WHICH IS THE HIGHEST POINT IN THE VICINITY. EW7198' EW7198'TO REACH FROM THE JUNCTION OF STATE HIGHWAY 14 AND ANGELES EW7198'FOREST HIGHWAY WHICH IS ABOUT 6 MILES SOUTH OF PALMDALE, GO EW7198'SOUTH ON ANGELES FOREST HIGHWAY FOR 3.8 MILES TO WHERE A EW7198'HIGHLINE CROSSES THE HIGHWAY AND THE AZIMUTH MARK BM (LAC) ON EW7198'THE LEFT (NORTHEAST OF THE HIGHWAY), CONTINUE SOUTH ON THE EW7198'HIGHWAY FOR 3.2 MILES TO A GRAVELED, PARKING AREA ON THE RIGHT EW7198'WHICH IS JUST BEFORE REACHING ALISO CANYON ROAD ON THE RIGHT EW7198'AND THE END OF TRUCK TRAVEL. CROSS THE HIGHWAY AND PACK EW7198'NORTHEAST TO THE TOP OF A STEEP RIDGE (CROSSING AN ABANDONED EW7198'POWERLINE ROAD ABOUT HALF WAY UP THE RIDGE), BEAR RIGHT AND EW7198'CONTINUE EASTERLY ALONG THE TOP OF THE RIDGE TO THE EW7198'HIGHEST POINT AND THE STATION IN A WIDE FIREBREAK. A EW7198'TWO-HOUR PACK. EW7198' EW7198'STATION MARK IS A STANDARD DISK, STAMPED COLE 1940, CEMENTED EW7198'IN A DRILL HOLE IN THE TOP OF A SMALL BOULDER WHICH IS FLUSH EW7198'WITH THE SURFACE. IT IS ON THE HIGHEST PART OF THE HILL IN EW7198'THE CENTER OF A FIREBREAK. EW7198' EW7198'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED COLE NO 1 1940, EW7198'CEMENTED IN A DRILL HOLE IN THE TOP OF A 1 X 2 FOOT BOULDER EW7198'WHICH IS ABOUT 2 FEET LOWER THAN THE STATION. EW7198' EW7198'REFERENCE MARK 2 IS A STANDARD DISK STAMPED COLE NO 2 1940, EW7198'CEMENTED IN A DRILL HOLE IN A 1-1/2 X 2 FOOT BOULDER PROJECTING EW7198'ABOUT 8 INCHES ABOVE THE SURFACE AND IS ABOUT 1 FOOT LOWER EW7198'THAN THE STATION. EW7198' EW7198'AZIMUTH MARK IS A BENCH MARK STAMPED L.A. CO. D. DEPT. B.M., EW7198'CEMENTED IN A DRILL HOLE IN THE FOUNDATION OF THE SOUTHWEST EW7198'LEG OF A STEEL HIGHLINE TOWER NO. 230 111 5, IT IS 45 YARDS EW7198'EAST OF THE CENTER OF THE ANGELES FOREST HIGHWAY AT BRIDGE EW7198'NO. B 793. EW7198' EW7198'NO NOTICEABLE EARTH MOVEMENT WAS NOTED IN THE VICINITY OF THE EW7198'STATION. EW7198' EW7198'NO MEASUREMENT BETWEEN REFERENCE MARKS DUE TO THE TERRAIN. EW7198' EW7198'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--12 MILES SOUTH EW7198'OF PALMDALE.