National Geodetic Survey, Retrieval Date = DECEMBER 11, 2003 EW7670 *********************************************************************** EW7670 DESIGNATION - POLICE EW7670 PID - EW7670 EW7670 STATE/COUNTY- CA/KERN EW7670 USGS QUAD - GRAPEVINE (1991) EW7670 EW7670 *CURRENT SURVEY CONTROL EW7670 ___________________________________________________________________ EW7670* NAD 83(1992)- 34 54 10.84583(N) 118 54 16.12315(W) ADJUSTED EW7670* NAVD 88 - 1468.3 (meters) 4817. (feet) VERTCON EW7670 ___________________________________________________________________ EW7670 EPOCH DATE - 1991.35 EW7670 LAPLACE CORR- 0.88 (seconds) DEFLEC99 EW7670 GEOID HEIGHT- -31.79 (meters) GEOID99 EW7670 EW7670 HORZ ORDER - FIRST EW7670 EW7670.The horizontal coordinates were established by classical geodetic methods EW7670.and adjusted by the National Geodetic Survey in June 1996. EW7670.The horizontal coordinates are valid at the epoch date displayed above. EW7670.The epoch date for horizontal control is a decimal equivalence EW7670.of Year/Month/Day. EW7670 EW7670.The NAVD 88 height was computed by applying the VERTCON shift value to EW7670.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EW7670 EW7670.The Laplace correction was computed from DEFLEC99 derived deflections. EW7670 EW7670.The geoid height was determined by GEOID99. EW7670 EW7670; North East Units Scale Converg. EW7670;SPC CA 5 - 656,001.392 1,917,341.756 MT 0.99992563 -0 30 56.0 EW7670;SPC CA 5 - 2,152,231.23 6,290,478.74 sFT 0.99992563 -0 30 56.0 EW7670;UTM 11 - 3,863,942.691 325,997.209 MT 0.99997317 -1 05 24.0 EW7670 EW7670: Primary Azimuth Mark Grid Az EW7670:SPC CA 5 - POLICE AZ MK 127 24 13.0 EW7670:UTM 11 - POLICE AZ MK 127 58 41.0 EW7670 EW7670|---------------------------------------------------------------------| EW7670| PID Reference Object Distance Geod. Az | EW7670| dddmmss.s | EW7670| CC2428 POLICE RM 3 15.911 METERS 01208 | EW7670| CC2426 POLICE AZ MK 1265317.0 | EW7670| EW7671 POLICE DWR 1959 ECC CDH 13.381 METERS 16543 | EW7670| CC2427 POLICE RM 1 22.636 METERS 32142 | EW7670| EW7669 POLICE RM 4 7.255 METERS 35642 | EW7670|---------------------------------------------------------------------| EW7670 EW7670 SUPERSEDED SURVEY CONTROL EW7670 EW7670 NAD 83(1986)- 34 54 10.84586(N) 118 54 16.11923(W) AD(1984.00) 1 EW7670 NAD 27 - 34 54 10.93837(N) 118 54 12.76370(W) AD( ) 1 EW7670 NGVD 29 (07/19/86) 1467.5 (m) 4815. (f) VERT ANG EW7670 EW7670.Superseded values are not recommended for survey control. EW7670.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EW7670.See file dsdata.txt to determine how the superseded data were derived. EW7670 EW7670_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SLU2599763943(NAD 83) EW7670_MARKER: DD = SURVEY DISK EW7670_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT EW7670_MAGNETIC: N = NO MAGNETIC MATERIAL EW7670 EW7670 HISTORY - Date Condition Report By EW7670 HISTORY - 1959 MONUMENTED CGS EW7670 HISTORY - 1967 GOOD CGS EW7670 HISTORY - 1973 GOOD NGS EW7670 HISTORY - 1979 GOOD CADT EW7670 EW7670 STATION DESCRIPTION EW7670 EW7670'DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (OSR) EW7670'STATION IS LOCATED ABOUT 1-3/4 MILES SOUTH AND 1-1/4 MILES EAST EW7670'OF GRAPEVINE, 2 MILES NORTH AND 3/4 MILE WEST OF THE TEJON RANCH EW7670'COMPANY HEADQUARTERS, 1 MILE EAST OF U.S. HIGHWAY 99, IN THE EW7670'CASTAC MOUNTAINS ON THE SUMMIT OF GRAPEVINE PEAK WHICH IS EW7670'THE HIGHEST POINT IN THE VICINITY, AT THE SITE OF A RADIO EW7670'RELAY STATION AND ON PROPERTY OWNED BY THE TEJON RANCH COMPANY. EW7670' EW7670'TO REACH FROM THE LAMONT POST OFFICE, GO SOUTH ON WEEDPATCH EW7670'HIGHWAY FOR 18.0 MILES TO THE JUNCTION WITH U.S. HIGHWAY 99. EW7670'TURN LEFT AND GO SOUTHERLY ON U.S. HIGHWAY 99 FOR 10.0 MILES TO EW7670'A CONCRETE OVERPASS. CONTINUE ON HIGHWAY FOR 0.3 MILE TO A SIDE EW7670'ROAD LEFT. TURN LEFT AND GO 0.1 MILE TO THE TEJON RANCH EW7670'HEADQUARTERS BUILDING. PASS TO THE LEFT OF BUILDING AND GO EW7670'0.05 MILE TO A T-INTERSECTION. TURN RIGHT AND FOLLOW SURFACED EW7670'ROAD EASTERLY FOR 0.7 MILE TO A SIDE ROAD LEFT AT A LOCKED EW7670'METAL GATE. TURN LEFT, PASSING THROUGH GATE, AND FOLLOW EW7670'WINDING DIRT ROAD EASTERLY FOR 1.15 MILES TO A FORK. TAKE EW7670'THE LEFT FORK AND FOLLOW SURFACED ROAD NORTHERLY AND UP GRADE EW7670'FOR 3.4 MILES TO A LARGE TRIANGLE BLAZED OAK TREE ON THE EW7670'RIGHT AND THE AZIMUTH MARK AS DESCRIBED. CONTINUE NORTHWEST EW7670'FOR 0.7 MILE TO AN INSTALLATION OF RADIO MASTS AT THE SUMMIT EW7670'OF THE HILL AND THE STATION AS DESCRIBED. EW7670' EW7670'STATION MARK IS A CALIFORNIA DEPARTMENT OF WATER RESOURCES EW7670'DISK, STAMPED POLICE 1959, SET IN THE TOP OF A 9 INCH SQUARE, EW7670'CONCRETE POST PROJECTING 2 INCHES. IT IS 82 FEET SOUTH OF A EW7670'MASSIVE DOUBLE TRUNKED OAK TREE, 47 FEET NORTH OF A SMALL EW7670'LACED STEEL MAST AND 21 FEET WEST-SOUTHWEST OF THE NORTHWEST EW7670'CORNER OF A SMALL CONCRETE BUILDING. EW7670' EW7670'REFERENCE MARK 1 IS A CALIFORNIA DEPARTMENT OF WATER RESOURCES EW7670'DISK, STAMPED POLICE 1959 R.M. 1, SET IN THE TOP OF A 9 INCH EW7670'SQUARE, CONCRETE POST PROJECTING 1 INCH. IT IS 108 FEET EW7670'NORTH-NORTHWEST OF THE SMALL MAST, 81 FEET WEST-NORTHWEST OF EW7670'THE BUILDING CORNER AND 42 FEET WEST-SOUTHWEST OF THE MASSIVE EW7670'TREE. EW7670' EW7670'REFERENCE MARK 3 IS A STANDARD DISK, STAMPED POLICE DWR NO 3 EW7670'1959, CEMENTED IN A DRILL HOLE IN A 2 FOOT X 8 INCH BOULDER EW7670'PROJECTING 2 INCHES. IT IS 99 FEET NORTH OF THE SMALL MAST, EW7670'42 FEET NORTH OF THE BUILDING CORNER AND 40 FEET SOUTHWEST OF EW7670'THE MASSIVE TREE. EW7670' EW7670'AZIMUTH MARK IS A STANDARD DISK, STAMPED POLICE DWR 1959, SET IN EW7670'THE TOP OF AN 11 INCH SQUARE, CONCRETE POST PROJECTING 7 INCHES. EW7670'IT IS ON THE CREST OF A SMALL, BARE NORTH-SOUTH RIDGE, 321 FEET EW7670'EAST-NORTHEAST OF A SURFACED ROAD CENTER AND 304 FEET EAST EW7670'OF A 48 INCH OAK TREE WITH A TRIANGLE BLAZE ON ITS WEST SIDE. EW7670' EW7670'DISTANCE FROM REFERENCE MARK 1 TO REFERENCE MARK 3 IS 17.512 EW7670'METERS OR 57.45 FEET. EW7670 EW7670 STATION RECOVERY (1967) EW7670 EW7670'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (CAA) EW7670'MARKS WERE MEASURED AND OBSERVED THROUGH A CHAIN LINK FENCE. EW7670' EW7670'STATION WAS RECOVERED AS DESCRIBED IN THE 1959 DESCRIPTIONS AND EW7670'ALL MARKS WERE FOUND TO BE IN GOOD. EW7670' EW7670'DUE TO RADIO TOWER NEAR THE STATION, POLICE DWR R.M. 4 WAS EW7670'ESTABLISHED AND OBSERVATIONS WERE TAKEN FROM THIS POINT. EW7670' EW7670'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2 MILES SOUTH EW7670'OF GRAPEVINE EW7670 EW7670 STATION RECOVERY (1973) EW7670 EW7670'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (ARA) EW7670'THE STATION, AZIMUTH MARK, AND REFERENCE MARKS NO 1 AND EW7670'NO 3 WERE RECOVERED IN GOOD CONDITION AS DESCRIBED BY O.S.R. EW7670'IN 1959. NO ATTEMPT TO RECOVER REFERENCE MARK NO 4 WAS MADE. EW7670'A NEW TO REACH FOLLOWS-- EW7670' EW7670'TO REACH THE STATION FROM THE U.S. POST OFFICE IN LEBEC, LOCATED EW7670'AT THE INTERSECTION OF LEBEC ROAD AND CIRCLE DRIVE, PROCEED EW7670'NORTHERLY ON LEBEC ROAD FOR 2.1 MILES TO A BRIDGE CROSSING EW7670'OVER INTERSTATE ROUTE 5. CONTINUE NORTHERLY ON LEBEC ROAD EW7670'0.25 MILE TO A LOCKED GATE AND RISING CANYON ROAD, A DIRT EW7670'ROAD, ON THE RIGHT, EAST, SIDE OF THE ROAD. PERMISSION TO ENTER EW7670'AND A KEY TO THE LOCKED GATE IS OBTAINABLE AT THE TEJON RANCH EW7670'HEADQUARTERS, ABOUT 0.3 MILE NORTH OF THE LOCKED GATE ON LEBEC EW7670'ROAD. TURN RIGHT ONTO THE DIRT ROAD, PASS THRU THE GATE, AND EW7670'WIND EASTERLY UP A NARROW CANYON 1.15 MILES TO A FORK. TAKE EW7670'THE LEFT FORK AND FOLLOW A GRAVELED ROAD, SHORT CANYON, EW7670'NORTHERLY AND UP GRADE 3.0 MILES TO A FORK. TAKE THE LEFT FORK, EW7670'NORTHWEST, AND CONTINUE UP GRADE 0.4 MILE TO AN INTERMEDIATE EW7670'SUMMIT. CONTINUE NORTHERLY AND DESCEND 0.1 MILE TO A EW7670'3.5-FOOT DIAMETER OAK TREE, WITH A TRIANGLE BLAZED ON ITS EW7670'WEST FACE, ON THE RIGHT, EAST, SIDE OF THE ROAD. EW7670'*CONTINUE NORTHERLY ON THE GRAVELED ROAD 0.75 MILE TO THE EW7670'HIGHEST POINT OF THE HILL AND THE STATION AS DESCRIBED. EW7670' EW7670'*TO REACH THE AZIMUTH MARK FROM THIS POINT, WALK EASTERLY ABOUT EW7670'320 FEET TO A LOW SADDLE AND THE AZIMUTH MARK. EW7670' EW7670'HEIGHT OF LIGHT ABOVE STATION MARK 5.87 FEET. EW7670' EW7670'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2 MILES SOUTH EW7670'OF GRAPEVINE. EW7670 EW7670 STATION RECOVERY (1979) EW7670 EW7670'RECOVERY NOTE BY CALTRANS 1979 (RLS) EW7670'THE STATION,REFERENCE MARKS NO.1 AND NO.3 AND THE AZIMUTH MARK WERE EW7670'RECOVERED IN GOOD CONDITION AS DESCRIBED. THE STATION WAS NOT EW7670'OCCUPIED AT THIS TIME.