1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DX0553 *********************************************************************** DX0553 DESIGNATION - D 517 DX0553 PID - DX0553 DX0553 STATE/COUNTY- CA/RIVERSIDE DX0553 USGS QUAD - OASIS (1974) DX0553 DX0553 *CURRENT SURVEY CONTROL DX0553 ___________________________________________________________________ DX0553* NAD 83(1986)- 33 27 54. (N) 116 05 59. (W) SCALED DX0553* NAVD 88 - -41.787 (meters) -137.10 (feet) READJUSTED DX0553 ___________________________________________________________________ DX0553 GEOID HEIGHT- -33.33 (meters) GEOID99 DX0553 DYNAMIC HT - -41.740 (meters) -136.94 (feet) COMP DX0553 MODELED GRAV- 979,552.0 (mgal) NAVD 88 DX0553 OBS GRAVITY - 979,553.6 (mgal) GRAV_OBS DX0553 DX0553 VERT ORDER - * READJUSTED, Code A , SEE BELOW DX0553 DX0553.The horizontal coordinates were scaled from a topographic map and have DX0553.an estimated accuracy of +/- 6 seconds. DX0553 DX0553.The orthometric height was determined by differential leveling DX0553.and adjusted by the National Geodetic Survey in February 1993. DX0553.* This is a READJUSTED BENCH MARK height. Code A indicates a DX0553.distribution rate of 0.0 thru 1.0 mm/km. DX0553.The height was derived from older observations constrained to new DX0553.heights in a crustal motion area. The height is approximate in DX0553.relation to other heights in its vicinity. DX0553 DX0553.The geoid height was determined by GEOID99. DX0553 DX0553.The dynamic height is computed by dividing the NAVD 88 DX0553.geopotential number by the normal gravity value computed on the DX0553.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DX0553.degrees latitude (g = 980.6199 gals.). DX0553 DX0553.The modeled gravity was interpolated from observed gravity values. DX0553.The observed gravity was obtained from relative gravimeter ties DX0553.to the IGSN71 gravity network. DX0553 DX0553; North East Units Estimated Accuracy DX0553;SPC CA 6 - 644,000. 2,013,970. MT (+/- 180 meters Scaled) DX0553 DX0553 SUPERSEDED SURVEY CONTROL DX0553 DX0553 NGVD 29 (??/??/92) -42.465 (m) -139.32 (f) ADJ UNCH 1 1 DX0553 DX0553.Superseded values are not recommended for survey control. DX0553.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX0553.See file dsdata.txt to determine how the superseded data were derived. DX0553 DX0553_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNT836032(NAD 83) DX0553_MARKER: DB = BENCH MARK DISK DX0553_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DX0553_STAMPING: D 517 1955 DX0553_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DX0553+STABILITY: SURFACE MOTION DX0553 DX0553 HISTORY - Date Condition Report By DX0553 HISTORY - 1955 MONUMENTED CGS DX0553 HISTORY - 1974 GOOD CA-065 DX0553 HISTORY - 1978 GOOD NGS DX0553 HISTORY - 1987 GOOD USPSQD DX0553 HISTORY - 1989 GOOD USPSQD DX0553 HISTORY - 20031001 POOR ORBITE DX0553 DX0553 STATION DESCRIPTION DX0553 DX0553'DESCRIBED BY COAST AND GEODETIC SURVEY 1955 DX0553'AT OASIS. DX0553'AT OASIS, ALONG U.S. HIGHWAY 99, ABOUT 175 FEET NORTHWEST OF THE DX0553'NORTH CORNER OF THE OASIS STORE, 55.6 FEET SOUTHWEST OF THE DX0553'CENTER LINE OF THE HIGHWAY, 43.5 FEET NORTHWEST OF THE NORTHWEST DX0553'CORNER OF AN ABANDONED GARAGE BUILDING, 2.5 FEET NORTHWEST OF DX0553'POWER LINE POLE 97232 1D AND IN LINE WITH A ROW OF POWER LINE DX0553'POLES, 2.3 FEET SOUTHEAST OF A WITNESS POST, ABOUT 1/2 FOOT DX0553'LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST DX0553'PROJECTING 0.3 FOOT ABOVE THE GROUND. DX0553 DX0553 STATION RECOVERY (1974) DX0553 DX0553'RECOVERY NOTE BY RIVERSIDE COUNTY CALIFORNIA 1974 DX0553'RECOVERED IN GOOD CONDITION. DX0553 DX0553 STATION RECOVERY (1978) DX0553 DX0553'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 DX0553'RECOVERED IN GOOD CONDITION. DX0553 DX0553 STATION RECOVERY (1987) DX0553 DX0553'RECOVERY NOTE BY US POWER SQUADRON 1987 (EEM) DX0553'RECOVERED IN GOOD CONDITION. DX0553 DX0553 STATION RECOVERY (1989) DX0553 DX0553'RECOVERY NOTE BY US POWER SQUADRON 1989 (EEM) DX0553'RECOVERED IN GOOD CONDITION. DX0553 DX0553 STATION RECOVERY (2003) DX0553 DX0553'RECOVERY NOTE BY ORBITECH INC 2003 (SHG) DX0553'MONUMENT MAY BE DISTURBED, NEW POWER POLE IS LOCATED 1.4 FEET NORTH OF DX0553'MONUMENT 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DW1254 *********************************************************************** DW1254 DESIGNATION - FLY DW1254 PID - DW1254 DW1254 STATE/COUNTY- CA/RIVERSIDE DW1254 USGS QUAD - RIPLEY (1975) DW1254 DW1254 *CURRENT SURVEY CONTROL DW1254 ___________________________________________________________________ DW1254* NAD 83(1992)- 33 36 36.27025(N) 114 42 11.37360(W) ADJUSTED DW1254* NAVD 88 - 119.480 (meters) 391.99 (feet) ADJUSTED DW1254 ___________________________________________________________________ DW1254 EPOCH DATE - 1996.35 DW1254 X - -2,222,230.014 (meters) COMP DW1254 Y - -4,830,772.898 (meters) COMP DW1254 Z - 3,510,556.624 (meters) COMP DW1254 LAPLACE CORR- -0.03 (seconds) DEFLEC99 DW1254 ELLIP HEIGHT- 86.68 (meters) (03/20/98) GPS OBS DW1254 GEOID HEIGHT- -32.78 (meters) GEOID99 DW1254 DYNAMIC HT - 119.350 (meters) 391.57 (feet) COMP DW1254 MODELED GRAV- 979,547.8 (mgal) NAVD 88 DW1254 DW1254 HORZ ORDER - B DW1254 VERT ORDER - FIRST CLASS II DW1254 ELLP ORDER - FIRST CLASS I DW1254 DW1254.This is a reference station for the BLYTHE PGGA STA DW1254.National Continuously Operating Reference Station (BLYT). DW1254 DW1254.The horizontal coordinates were established by GPS observations DW1254.and adjusted by the National Geodetic Survey in March 1998. DW1254.The horizontal coordinates are valid at the epoch date displayed above. DW1254.The epoch date for horizontal control is a decimal equivalence DW1254.of Year/Month/Day. DW1254 DW1254.The orthometric height was determined by differential leveling DW1254.and adjusted by the National Geodetic Survey in June 1991. DW1254 DW1254.The X, Y, and Z were computed from the position and the ellipsoidal ht. DW1254 DW1254.The Laplace correction was computed from DEFLEC99 derived deflections. DW1254 DW1254.The ellipsoidal height was determined by GPS observations DW1254.and is referenced to NAD 83. DW1254 DW1254.The geoid height was determined by GEOID99. DW1254 DW1254.The dynamic height is computed by dividing the NAVD 88 DW1254.geopotential number by the normal gravity value computed on the DW1254.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DW1254.degrees latitude (g = 980.6199 gals.). DW1254 DW1254.The modeled gravity was interpolated from observed gravity values. DW1254 DW1254; North East Units Scale Converg. DW1254;SPC CA 6 - 661,144.055 2,143,543.994 MT 0.99996572 +0 51 00.1 DW1254;SPC CA 6 - 2,169,103.45 7,032,610.59 sFT 0.99996572 +0 51 00.1 DW1254;UTM 11 - 3,721,288.285 713,094.766 MT 1.00015985 +1 16 18.7 DW1254 DW1254: Primary Azimuth Mark Grid Az DW1254:SPC CA 6 - FLY AZ MK 3 266 14 15.3 DW1254:UTM 11 - FLY AZ MK 3 265 48 56.7 DW1254 DW1254|---------------------------------------------------------------------| DW1254| PID Reference Object Distance Geod. Az | DW1254| dddmmss.s | DW1254| DW1256 FLY RM 2 16.006 METERS 00504 | DW1254| CE9392 FLY AZ MK 2 0851524.5 | DW1254| CE9391 FLY AZ MK 0911353.0 | DW1254| DW1255 FLY RM 1 16.780 METERS 09629 | DW1254| CE9393 FLY AZ MK 3 2670515.4 | DW1254| DW0987 BLYTHE AAF FIELD BEACON APPROX. 0.9 KM 2874849.8 | DW1254|---------------------------------------------------------------------| DW1254 DW1254 SUPERSEDED SURVEY CONTROL DW1254 DW1254 NAD 83(1992)- 33 36 36.26889(N) 114 42 11.37259(W) AD(1991.35) 2 DW1254 NAD 83(1992)- 33 36 36.26847(N) 114 42 11.37327(W) AD(1984.00) 2 DW1254 NAD 83(1986)- 33 36 36.26580(N) 114 42 11.37518(W) AD(1984.00) 2 DW1254 NAD 27 - 33 36 36.18200(N) 114 42 08.52100(W) AD( ) 2 DW1254 NAVD 88 (03/20/98) 119.48 (m) 392.0 (f) LEVELING 3 DW1254 NGVD 29 (07/19/86) 118.6 (m) 389. (f) VERT ANG DW1254 DW1254.Superseded values are not recommended for survey control. DW1254.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW1254.See file dsdata.txt to determine how the superseded data were derived. DW1254 DW1254_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SQT1309521288(NAD 83) DW1254_MARKER: DS = TRIANGULATION STATION DISK DW1254_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DW1254_STAMPING: FLY 1948 DW1254_MARK LOGO: CGS DW1254_PROJECTION: PROJECTING 12 CENTIMETERS DW1254_MAGNETIC: N = NO MAGNETIC MATERIAL DW1254_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DW1254+STABILITY: SURFACE MOTION DW1254_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DW1254+SATELLITE: SATELLITE OBSERVATIONS - May 15, 2002 DW1254 DW1254 HISTORY - Date Condition Report By DW1254 HISTORY - 1948 MONUMENTED CGS DW1254 HISTORY - 1955 GOOD CGS DW1254 HISTORY - 1958 GOOD CGS DW1254 HISTORY - 1962 GOOD CGS DW1254 HISTORY - 1965 GOOD USGS DW1254 HISTORY - 1966 GOOD CGS DW1254 HISTORY - 1967 GOOD CGS DW1254 HISTORY - 1969 GOOD CGS DW1254 HISTORY - 1974 GOOD NGS DW1254 HISTORY - 1981 GOOD NGS DW1254 HISTORY - 1982 GOOD NGS DW1254 HISTORY - 19970418 GOOD NGS DW1254 HISTORY - 20020514 GOOD JCLS DW1254 HISTORY - 20020515 GOOD JCLS DW1254 DW1254 STATION DESCRIPTION DW1254 DW1254'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (DHK) DW1254'THE STATION IS LOCATED ON THE NORTH SIDE OF U.S. HIGHWAY 60 DW1254'AND 70 ABOUT 5.5 MILES AIR LINE WEST OF BLYTHE. THE STATION DW1254'MARK IS 100 FEET NORTH OF U.S. HIGHWAY 60 AND 70, 75 FEET NORTH DW1254'OF AIRPORT BOUNDRY FENCE, 10 FEET NORTH OF A WHITE WITNESS DW1254'POST, PROJECTS 8 INCHES AND STAMPED, FLY 1948. DW1254' DW1254'REFERENCE MARK NO. 1 IS APPROXIMATELY THE SAME ELEVATION AS DW1254'THE STATION MARK, PROJECTS 8 INCHES AND STAMPED, FLY NO 1 1948. DW1254' DW1254'REFERENCE MARK NO. 2 IS APPROXIMATELY THE SAME ELEVATION AS DW1254'THE STATION MARK, PROJECTS 8 INCHES AND STAMPED, FLY NO 2 1948. DW1254' DW1254'THE AZIMUTH MARK IS LOCATED ALONG THE ROAD TO THE STATION, DW1254'40 FEET SOUTH OF THE CENTER LINE OF U.S. HIGHWAY 60 AND 70, DW1254'3 FEET SOUTH OF A BLACK POST 10 FEET IN HEIGHT, 2 FEET NORTH OF DW1254'A WHITE WITNESS POST, PROJECTS 8 INCHES AND STAMPED, FLY 1948. DW1254' DW1254'TO REACH THE STATION FROM THE POST OFFICE IN BLYTHE, GO WEST DW1254'ON U.S. HIGHWAY 60 AND 70 FOR 5.4 MILES TO THE AZIMUTH MARK ON DW1254'THE RIGHT, SOUTH. CONTINUE ON HIGHWAY FOR 1.3 MILE TO GATE IN DW1254'AIRFIELD FENCE ON THE RIGHT, NORTH. TURN RIGHT AND PASS THROUGH DW1254'GATE. THENCE TURN RIGHT, EAST AND FOLLOW PAVED ROAD FOR 0.35 DW1254'MILE TO THE STATION ON THE LEFT, NORTH. A DRIVE STATION. DW1254 DW1254 STATION RECOVERY (1955) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (WTJ) DW1254'RECOVERED AS DESCRIBED IN GOOD CONDITION DW1254 DW1254 STATION RECOVERY (1958) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (WTJ) DW1254'THE STATION MARK, BOTH REFERENCE MARKS AND AZIMUTH MARK WERE DW1254'ALL RECOVERED AS DESCRIBED IN GOOD CONDITION. THE ORIGINAL DW1254'DESCRIPTION IS ADEQUATE. DW1254 DW1254 STATION RECOVERY (1962) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 (JJC) DW1254'THE STATION AND REFERENCE MARKS 1 AND 2 WERE RECOVERED AS DW1254'DESCRIBED AND FOUND TO BE IN GOOD CONDITION. THE AZIMUTH MARK DW1254'WAS NOT SEARCHED FOR AT THIS DATE. DW1254 DW1254 STATION RECOVERY (1965) DW1254 DW1254'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1965 DW1254'STATION, R.M.S 1 AND 2 AND AZIMUTH MARK RECOVERED IN GOOD DW1254'CONDITION. DW1254 DW1254 STATION RECOVERY (1966) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (JVT) DW1254'THE STATION MARK, REFERENCE MARKS 1 AND 2, AND THE AZIMUTH DW1254'MARK WERE RECOVERED AS DESCRIBED AND FOUND TO BE IN GOOD DW1254'CONDITION. THE ORIGINAL DESCRIPTION IS FOUND IN QUAD. BOOK DW1254'331144, STATION 1007. DW1254 DW1254 STATION RECOVERY (1967) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (RMS) DW1254'THE STATION WAS RECOVERED AS DESCRIBED BY D.H. KONICHEK IN 1948, DW1254'ALL MARKS FOUND AS DESCRIBED AND IN GOOD CONDITION. A NEW DW1254'AZIMUTH MARK WAS ESTABLISHED AT THIS TIME AS THE OLD AZIMUTH DW1254'MARK WILL BE DESTROYED BY HIGHWAY CONSTRUCTION. DW1254' DW1254'THE STATION IS LOCATED ON THE NORTH SIDE OF U.S. HIGHWAY 60, DW1254'ABOUT 5.5 MILES AIR LINE WEST OF BLYTHE, 100 FEET NORTH OF DW1254'THE CENTERLINE OF THE HIGHWAY, 75 FEET NORTH OF THE AIRPORT DW1254'BOUNDRY FENCE, 10 FEET NORTH OF A WITNESS POST, A STANDARD DISK DW1254'SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST THAT PROJECTS DW1254'8 INCHES AND THE DISK IS STAMPED FLY 1948. DW1254' DW1254'REFERENCE MARK NO. 1 A STANDARD DISK STAMPED FLY NO 1 1948 DW1254'SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST THAT PROJECTS DW1254'8 INCHES, AND IS APPROXIMATELY THE SAME ELEVATION AS THE DW1254'STATION MARK. DW1254' DW1254'REFERENCE MARK NO. 2 A STANDARD DISK SET IN THE TOP OF A 12 DW1254'INCH SQUARE CONCRETE POST THAT PROJECTS 8 INCHES, THE DISK IS DW1254'STAMPED FLY NO 2 1948 AND THE MARK IS APPROXIMATELY LEVEL WITH DW1254'THE STATION MARK. DW1254' DW1254'THE AZIMUTH MARK IS 1.4 MILE EAST OF THE STATION, 0.1 MILE NORTH DW1254'OF THE HIGHWAY, 55 FEET WEST THE APPROXIMATE CENTER OF A TRACK DW1254'ROAD, 51 FEET NORTHWEST OF THE NORTHEAST CORNER OF A FENCE DW1254'AROUND THE BLYTHE SUBSTATION, 5.5 FEET SOUTH OF THE EAST ONE DW1254'OF A ROW OF 9 POWER POLES, IT IS A STANDARD DISK STAMPED FLY DW1254'1948 AZI 2 1967 SET IN THE TOP OF A ROUND CONCRETE POST THAT DW1254'PROJECTS 6 INCHES. DW1254' DW1254'TO REACH THE STATION FROM THE POST OFFICE IN BLYTHE, GO SOUTH FOR DW1254'ONE BLOCK TO U.S. HIGHWAY 60, TURN RIGHT WEST ON THE HIGHWAY DW1254'FOR 5.1 MILES TO THE BLYTHE SUBSTATION AND THE AZIMUTH MARK ON DW1254'THE RIGHT, CONTINUE WEST ON THE HIGHWAY FOR 1.75 MILE TO GATE DW1254'INTO AIRPORT, TURN RIGHT NORTH AND PASS THROUGH GATE. THENCE DW1254'TURN RIGHT EAST AND FOLLOW PAVED ROAD FOR 0.35 MILE TO THE DW1254'STATION ON THE LEFT NORTH. DW1254 DW1254 STATION RECOVERY (1969) DW1254 DW1254'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (RT) DW1254'THE STATION MARK, REFERENCE MARKS 1 AND 2, THE 1948 AZIMUTH DW1254'MARK, AND THE NUMBER 2 AZIMUTH MARK, ESTABLISHED IN 1967, WERE DW1254'RECOVERED IN GOOD CONDITION AND AS DESCRIBED IN 1948 AND 1967. DW1254'THE 1967 AZIMUTH MARK 2 WAS DESTROYED AT THIS TIME AT THE DW1254'REQUEST OF P.G. AND E. POWER COMPANY. A NUMBER 3 AZIMUTH MARK DW1254'WAS ESTABLISHED AT THIS TIME. THE ORIGINAL AZIMUTH MARK, DW1254'ESTABLISHED IN 1948 WILL BE IN DANGER OF DESTRUCTION BY FUTURE DW1254'CONSTRUCTION OF INTERSTATE HIGHWAY 10. DW1254' DW1254'THE NUMBER 3 AZIMUTH MARK IS A STANDARD DISK, STAMPED FLY 1948 DW1254'AZI. MK. 3 1969, CEMENTED IN A DRILL HOLE FLUSH WITH THE SURFACE DW1254'OF THE CONCRETE WALK AT THE TOP OF THE SOUTHWEST CONCRETE DW1254'ABUTMENT OF THE MESA DRIVE OVERPASS THAT SPANS INTERSTATE DW1254'HIGHWAY 10. IT IS 1.4 MILES WEST OF THE STATION, 120.0 FEET DW1254'SOUTH OF THE CENTER OF THE OVERPASS, 16.5 FEET WEST OF THE DW1254'CENTER OF MESA DRIVE, 3.0 FEET WEST OF THE EAST EDGE OF THE DW1254'WALK, AND 3.0 FEET EAST OF THE WEST CONCRETE CURB AND STEEL DW1254'RAILING. DW1254' DW1254'THE 1948 AND 1967 ROUTES TO THE STATION ARE ENTIRELY ADEQUATE DW1254'IN RECOVERY OF THE STATION. DW1254 DW1254 STATION RECOVERY (1974) DW1254 DW1254'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (EP) DW1254'RECOVERED AS DESCRIBED DW1254' DW1254'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--BLYTHE AIRPORT DW1254 DW1254 STATION RECOVERY (1981) DW1254 DW1254'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 DW1254'13.0 KM (8.1 MI) WEST FROM BLYTHE. DW1254'13.0 KM (8.1 MI) WEST ALONG HOBSON WAY FROM THE JUNCTION OF U.S. DW1254'HIGHWAY 95 IN BLYTHE, 102.1 METERS (235 FT) SOUTH-SOUTHWEST OF THE DW1254'SOUTHWEST CORNER OF A BUILDING BELONGING TO THE BLYTHE TRAP SHOOT DW1254'CLUB, 39.3 METERS (129 FT) NORTH ACROSS A GRAVEL ROAD FROM THE DW1254'CENTERLINE OF HOBSON WAY, 26.8 METERS (88.0 FT) NORTH OF A BARBED WIRE DW1254'RIGHT-OF-WAY FENCE, 24.9 METERS (81.7 FT) NORTH OF THE FIRST POWER DW1254'POLE WEST OF A SPUR LINE TO THE TRAP CLUB, 13.2 METERS (43.5 FT) NORTH DW1254'OF THE CENTERLINE OF THE GRAVEL ROAD. DW1254'THE MARK IS 2.35 METERS N FROM A WITNESS POST. DW1254'THE MARK IS ABOVE LEVEL WITH HOBSON WAY. DW1254 DW1254 STATION RECOVERY (1982) DW1254 DW1254'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 (PMC) DW1254'STATION, REFERENCE MARKS, AND AZIMUTH MARK RECOVERED AS DESCRIBED. DW1254' DW1254'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--ABOUT 5.5 MILES DW1254'WEST OF BLYTHE. DW1254 DW1254 STATION RECOVERY (1997) DW1254 DW1254'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (JGF) DW1254'THE MARK WAS RECOVERED AS DESCRIBED, EXCEPT THAT IT IS IN A SQUARE DW1254'MONUMENT RATHER THAN ROUND. THE MARK PROJECTS ABOUT 1 DECIMETER ABOVE DW1254'GROUND AND THE REFERENCE MARKS AND WITNESS POST ARE STILL PRESENT. DW1254 DW1254 STATION RECOVERY (2002) DW1254 DW1254'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 DW1254'RECOVERED IN GOOD CONDITION. DW1254 DW1254 STATION RECOVERY (2002) DW1254 DW1254'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 (MRY) DW1254'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DX0871 *********************************************************************** DX0871 DESIGNATION - S 411 DX0871 PID - DX0871 DX0871 STATE/COUNTY- CA/RIVERSIDE DX0871 USGS QUAD - WHITE WATER (1996) DX0871 DX0871 *CURRENT SURVEY CONTROL DX0871 ___________________________________________________________________ DX0871* NAD 83(1992)- 33 55 29.12259(N) 116 38 30.92367(W) ADJUSTED DX0871* NAVD 88 - 416.20 (+/-2cm) 1365.5 (feet) VERTCON DX0871 ___________________________________________________________________ DX0871 EPOCH DATE - 1991.35 DX0871 LAPLACE CORR- -5.81 (seconds) DEFLEC99 DX0871 GEOID HEIGHT- -31.75 (meters) GEOID99 DX0871 DX0871 HORZ ORDER - THIRD DX0871 VERT ORDER - FIRST CLASS II (See Below) DX0871 DX0871.The horizontal coordinates were established by classical geodetic methods DX0871.and adjusted by the National Geodetic Survey in June 1996. DX0871.No horizontal observational check was made to the station. DX0871.The horizontal coordinates are valid at the epoch date displayed above. DX0871.The epoch date for horizontal control is a decimal equivalence DX0871.of Year/Month/Day. DX0871 DX0871.The NAVD 88 height was computed by applying the VERTCON shift value to DX0871.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX0871.The vertical order pertains to the NGVD 29 superseded value. DX0871 DX0871.The Laplace correction was computed from DEFLEC99 derived deflections. DX0871 DX0871.The geoid height was determined by GEOID99. DX0871 DX0871; North East Units Scale Converg. DX0871;SPC CA 6 - 695,050.677 1,963,760.187 MT 1.00000718 -0 12 55.3 DX0871;SPC CA 6 - 2,280,345.43 6,442,769.88 sFT 1.00000718 -0 12 55.3 DX0871;SPC CA 5 - 547,965.224 2,125,575.504 MT 1.00002530 +0 46 26.8 DX0871;SPC CA 5 - 1,797,782.57 6,973,658.97 sFT 1.00002530 +0 46 26.8 DX0871;UTM 11 - 3,753,870.874 533,096.822 MT 0.99961350 +0 11 59.4 DX0871 DX0871 SUPERSEDED SURVEY CONTROL DX0871 DX0871 NAD 83(1986)- 33 55 29.12611(N) 116 38 30.92804(W) AD(1984.00) 3 DX0871 NAD 27 - 33 55 29.07386(N) 116 38 27.88585(W) AD( ) 3 DX0871 NGVD 29 (??/??/??) 415.403 (m) 1362.87 (f) ADJUSTED 1 2 DX0871 DX0871.Superseded values are not recommended for survey control. DX0871.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX0871.See file dsdata.txt to determine how the superseded data were derived. DX0871 DX0871_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNT3309753871(NAD 83) DX0871_MARKER: DB = BENCH MARK DISK DX0871_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DX0871_STAMPING: S 411 1935 DX0871_MARK LOGO: CGS DX0871_PROJECTION: PROJECTING 10 CENTIMETERS DX0871_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DX0871+STABILITY: SURFACE MOTION DX0871_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DX0871+SATELLITE: SATELLITE OBSERVATIONS - September 29, 2003 DX0871 DX0871 HISTORY - Date Condition Report By DX0871 HISTORY - 1935 MONUMENTED CGS DX0871 HISTORY - 1960 GOOD CGS DX0871 HISTORY - 1960 GOOD NGS DX0871 HISTORY - 1986 GOOD USPSQD DX0871 HISTORY - 1986 GOOD NGS DX0871 HISTORY - 1988 GOOD USPSQD DX0871 HISTORY - 1989 GOOD USPSQD DX0871 HISTORY - 1990 GOOD USPSQD DX0871 HISTORY - 20030929 GOOD ORBITE DX0871 DX0871 STATION DESCRIPTION DX0871 DX0871'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 (WFM) DX0871'ABOUT 0.2 MILE WEST OF THE POST OFFICE AT WHITEWATER, ABOUT 260 DX0871'FEET NORTH OF THE WEST BOUND LANE OF U.S. HIGHWAY 99, 51.0 FEET DX0871'WEST OF THE CENTERLINE OF THE WHITEWATER RIVER CANYON ROAD, 236 DX0871'FEET SOUTH OF BENCH MARK R 411, JUST WEST AND ACROSS THE ROAD FROM DX0871'A TEXACO SERVICE STATION AND SET IN THE TOP OF A CONCRETE POST DX0871'PROJECTING ABOUT 4 INCHES. DX0871 DX0871 STATION RECOVERY (1960) DX0871 DX0871'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 DX0871'0.2 MI W FROM WHITEWATER. DX0871'ABOUT 0.2 MILE WEST OF THE POST OFFICE AT WHITEWATER, ABOUT DX0871'260 FEET NORTH OF THE WEST BOUND LANE OF U.S. HIGHWAY 99, 51.0 DX0871'FEET WEST OF THE CENTERLINE OF THE WHITEWATER RIVER CANYON ROAD, DX0871'236 FEET SOUTH OF BENCH MARK R 411, JUST WEST AND ACROSS THE DX0871'ROAD FROM A TEXACO SERVICE STATION AND SET IN THE TOP OF A DX0871'CONCRETE POST PROJECTING ABOUT 4 INCHES. DX0871 DX0871 STATION RECOVERY (1986) DX0871 DX0871'RECOVERY NOTE BY US POWER SQUADRON 1986 (EEM) DX0871'RECOVERED IN GOOD CONDITION. DX0871 DX0871 STATION RECOVERY (1986) DX0871 DX0871'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986 DX0871'RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 8.0 KM (5.0 DX0871'MI) WEST ALONG PIERSON ROAD FROM THE POST OFFCIE IN DESERT HOT DX0871'SPRINGS, THENCE 5.0 KM (3.1 MI) SOUTH ALONG STATE HIGHWAY 62, THENCE DX0871'4.0 KM (2.5 MI) WEST ALONG I-10, THENCE 0.28 KM (0.17 MI) NORTHEAST DX0871'ALONG THE WHITEWATER FRONTAGE ROAD, 17.0 METERS (56 FT) WEST OF THE DX0871'CENTER OF WHITEWATER CANYON ROAD, 26.0 METERS (85 FT) SOUTH OF A DX0871'POWER POLE 2329505E WITH LINES EAST, WEST AND NORTH AND ABOUT DX0871'213-FEET NORTH ALONG WHITEWATER CANYON ROAD FROM THE CENTER OF DX0871'WHITEWATER FRONTAGE ROAD. DX0871'THE MARK IS 0.3 METERS E FROM A WITNESS POST DX0871'THE MARK IS 0.3 M ABOVE THE ROAD. DX0871 DX0871 STATION RECOVERY (1988) DX0871 DX0871'RECOVERY NOTE BY US POWER SQUADRON 1988 (EEM) DX0871'RECOVERED IN GOOD CONDITION. DX0871 DX0871 STATION RECOVERY (1989) DX0871 DX0871'RECOVERY NOTE BY US POWER SQUADRON 1989 (EEM) DX0871'RECOVERED IN GOOD CONDITION. DX0871 DX0871 STATION RECOVERY (1990) DX0871 DX0871'RECOVERY NOTE BY US POWER SQUADRON 1990 (EEM) DX0871'RECOVERED IN GOOD CONDITION. DX0871 DX0871 STATION RECOVERY (2003) DX0871 DX0871'RECOVERY NOTE BY ORBITECH INC 2003 (SHG) DX0871'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 DW1273 *********************************************************************** DW1273 DESIGNATION - T 1363 DW1273 PID - DW1273 DW1273 STATE/COUNTY- CA/RIVERSIDE DW1273 USGS QUAD - PALO VERDE (1975) DW1273 DW1273 *CURRENT SURVEY CONTROL DW1273 ___________________________________________________________________ DW1273* NAD 83(1986)- 33 26 40. (N) 114 43 57. (W) SCALED DW1273* NAVD 88 - 72.533 (meters) 237.97 (feet) ADJUSTED DW1273 ___________________________________________________________________ DW1273 GEOID HEIGHT- -33.09 (meters) GEOID99 DW1273 DYNAMIC HT - 72.453 (meters) 237.71 (feet) COMP DW1273 MODELED GRAV- 979,535.5 (mgal) NAVD 88 DW1273 DW1273 VERT ORDER - FIRST CLASS II DW1273 DW1273.The horizontal coordinates were scaled from a topographic map and have DW1273.an estimated accuracy of +/- 6 seconds. DW1273 DW1273.The orthometric height was determined by differential leveling DW1273.and adjusted by the National Geodetic Survey in June 1991. DW1273 DW1273.The geoid height was determined by GEOID99. DW1273 DW1273.The dynamic height is computed by dividing the NAVD 88 DW1273.geopotential number by the normal gravity value computed on the DW1273.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DW1273.degrees latitude (g = 980.6199 gals.). DW1273 DW1273.The modeled gravity was interpolated from observed gravity values. DW1273 DW1273; North East Units Estimated Accuracy DW1273;SPC CA 6 - 642,740. 2,141,090. MT (+/- 180 meters Scaled) DW1273 DW1273 SUPERSEDED SURVEY CONTROL DW1273 DW1273.No superseded survey control is available for this station. DW1273 DW1273_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SQT107028(NAD 83) DW1273_MARKER: I = METAL ROD DW1273_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) DW1273_STAMPING: T 1363 1981 DW1273_MARK LOGO: NGS DW1273_PROJECTION: FLUSH DW1273_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DW1273_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DW1273+SATELLITE: SATELLITE OBSERVATIONS - May 15, 2002 DW1273_ROD/PIPE-DEPTH: 7.3 meters DW1273 DW1273 HISTORY - Date Condition Report By DW1273 HISTORY - 1981 MONUMENTED NGS DW1273 HISTORY - 20020514 GOOD JCLS DW1273 HISTORY - 20020515 GOOD JCLS DW1273 DW1273 STATION DESCRIPTION DW1273 DW1273'DESCRIBED BY NATIONAL GEODETIC SURVEY 1981 DW1273'1.3 KM (0.8 MI) NORTH FROM PALO VERDE. DW1273'1.3 KM (0.8 MI) NORTH ALONG STATE HIGHWAY 78 FROM THE T JUNCTION OF DW1273'FIRST STREET IN PALO VERDE, AT A CANAL SIPHON UNDER THE HIGHWAY, 15.2 DW1273'METERS (50.0 FT) WEST OF THE CENTERLINE OF THE HIGHWAY, 1.6 METERS DW1273'(5.3 FT) SOUTHEAST OF THE NORTHWEST END OF THE RETAINING WALL, 1.5 DW1273'METERS (5.0 FT) NORTH OF THE CENTER OF THE WEST SIPHON HEADWALL, 0.15 DW1273'METERS (0.5 FT) NORTHEAST OF THE NORTHEAST END OF THE NORTHWEST DW1273'WINGWALL FOR THE WEST END OF THE SIPHON. DW1273'THE MARK IS 0.4 METERS S FROM A WITNESS POST. DW1273'THE MARK IS 0.3 M BELOW THE HIGHWAY CENTERLINE. DW1273 DW1273 STATION RECOVERY (2002) DW1273 DW1273'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 DW1273'RECOVERED IN GOOD CONDITION. DW1273 DW1273 STATION RECOVERY (2002) DW1273 DW1273'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 (MRY) DW1273'RECOVERED IN GOOD CONDITION.