1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DX0359 *********************************************************************** DX0359 DESIGNATION - BOR 35 DX0359 PID - DX0359 DX0359 STATE/COUNTY- CA/SAN DIEGO DX0359 USGS QUAD - BORREGO SINK (1959) DX0359 DX0359 *CURRENT SURVEY CONTROL DX0359 ___________________________________________________________________ DX0359* NAD 83(1986)- 33 08 37. (N) 116 21 35. (W) SCALED DX0359* NAVD 88 - 514.738 (meters) 1688.77 (feet) READJUSTED DX0359 ___________________________________________________________________ DX0359 GEOID HEIGHT- -32.56 (meters) GEOID99 DX0359 DYNAMIC HT - 514.120 (meters) 1686.74 (feet) COMP DX0359 MODELED GRAV- 979,415.8 (mgal) NAVD 88 DX0359 DX0359 VERT ORDER - * READJUSTED, Code A , SEE BELOW DX0359 DX0359.The horizontal coordinates were scaled from a topographic map and have DX0359.an estimated accuracy of +/- 6 seconds. DX0359 DX0359.The orthometric height was determined by differential leveling DX0359.and adjusted by the National Geodetic Survey in February 1993. DX0359.* This is a READJUSTED BENCH MARK height. Code A indicates a DX0359.distribution rate of 0.0 thru 1.0 mm/km. DX0359.The height was derived from older observations constrained to new DX0359.heights in a crustal motion area. The height is approximate in DX0359.relation to other heights in its vicinity. DX0359 DX0359.The geoid height was determined by GEOID99. DX0359 DX0359.The dynamic height is computed by dividing the NAVD 88 DX0359.geopotential number by the normal gravity value computed on the DX0359.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DX0359.degrees latitude (g = 980.6199 gals.). DX0359 DX0359.The modeled gravity was interpolated from observed gravity values. DX0359 DX0359; North East Units Estimated Accuracy DX0359;SPC CA 6 - 608,350. 1,989,760. MT (+/- 180 meters Scaled) DX0359 DX0359 SUPERSEDED SURVEY CONTROL DX0359 DX0359 NGVD 29 - 514.044 (m) 1686.49 (f) ADJ UNCH 1 1 DX0359 DX0359.Superseded values are not recommended for survey control. DX0359.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX0359.See file dsdata.txt to determine how the superseded data were derived. DX0359 DX0359_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS597673(NAD 83) DX0359_MARKER: DD = SURVEY DISK DX0359_SETTING: 30 = CULVERT DX0359_STAMPING: BOR 35 1969 DX0359_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DX0359_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR DX0359+SATELLITE: SATELLITE OBSERVATIONS - January 13, 2003 DX0359 DX0359 HISTORY - Date Condition Report By DX0359 HISTORY - 1968 MONUMENTED CA-073 DX0359 HISTORY - 1970 GOOD CA-073 DX0359 HISTORY - 1978 GOOD NGS DX0359 HISTORY - 19950330 GOOD USPSQD DX0359 HISTORY - 20030113 GOOD INDIV DX0359 DX0359 STATION DESCRIPTION DX0359 DX0359'DESCRIBED BY SAN DIEGO COUNTY CALIFORNIA 1968 DX0359'2.4 MI S FROM BORREGO SPRINGS. DX0359'SAN DIEGO COUNTY, BORREGO SPRINGS. 2.4 MILES SOUTH ALONG BORREGO DX0359'VALLEY ROAD, FROM INTERSECTION OF PALM CANYON ROAD AND BORREGO DX0359'VALLEY ROAD, THENCE 1.1 MILES EAST ALONG RANGO WAY, THENCE 4.6 DX0359'MILES SOUTH ON YAQUI PASS ROAD, 40 FEET WEST OF CENTER LINE OF DX0359'ROAD, 20 FEET WEST OF 18 INCH CORRUGATED METAL PIPE CULVERT. SET DX0359'A SAN DIEGO COUNTY STANDARD DISK IN ROCK WALL STAMPED BOR 35 DX0359'1969. T12S R6E 09. DX0359 DX0359 STATION RECOVERY (1970) DX0359 DX0359'RECOVERY NOTE BY SAN DIEGO COUNTY CALIFORNIA 1970 DX0359'RECOVERED IN GOOD CONDITION. DX0359 DX0359 STATION RECOVERY (1978) DX0359 DX0359'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 DX0359'2.4 MILES SOUTH ALONG BORREGO VALLEY ROAD FROM THE BORREGO ELEMENTARY DX0359'SCHOOL, THENCE 1.1 MILES EAST ALONG RANGO WAY, THENCE 0.55 MILE SOUTH DX0359'ALONG YAQUI PASS ROAD, THENCE 4.6 MILES SOUTHWEST ALONG COUNTY ROAD DX0359'S3, 0.45 MILE SOUTHWEST OF THE SUMMIT OF YAQUI PASS, 0.05 MILE DX0359'SOUTHWEST OF MILEPOST 1.5, 0.05 MILE NORTHEAST OF THE NORTHEAST END OF DX0359'A SCENIC OVERLOOK ROADSIDE TURN OFF, INSIDE A CURVE, IN A SMALL DRAW DX0359'IN THE TOP OF A SMALL ROCK OUTCROP, 2 FT. ABOVE THE GROUND, 40.0 FT. DX0359'NORTHWEST OF THE CENTER LINE OF THE ROAD, 20.0 FT. NORTHWEST OF THE DX0359'NORTHWEST END OF AN 18-INCH CORRUGATED METAL PIPE CULVERT. DX0359 DX0359 STATION RECOVERY (1995) DX0359 DX0359'RECOVERY NOTE BY US POWER SQUADRON 1995 DX0359'RECOVERED IN GOOD CONDITION. DX0359 DX0359 STATION RECOVERY (2003) DX0359 DX0359'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (RLS) DX0359'COORDINATES SHOWED N 33 08.624 W 116 21.593 WHICH ARE 65 FEET NW OF DX0359'POSTED ONES. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DX0371 *********************************************************************** DX0371 DESIGNATION - BOR 36 DX0371 PID - DX0371 DX0371 STATE/COUNTY- CA/SAN DIEGO DX0371 USGS QUAD - TUBB CANYON (1965) DX0371 DX0371 *CURRENT SURVEY CONTROL DX0371 ___________________________________________________________________ DX0371* NAD 83(1986)- 33 07 57. (N) 116 23 43. (W) SCALED DX0371* NAVD 88 - 466.090 (meters) 1529.16 (feet) ADJUSTED DX0371 ___________________________________________________________________ DX0371 GEOID HEIGHT- -32.38 (meters) GEOID99 DX0371 DYNAMIC HT - 465.523 (meters) 1527.30 (feet) COMP DX0371 MODELED GRAV- 979,407.0 (mgal) NAVD 88 DX0371 DX0371 VERT ORDER - THIRD DX0371 DX0371.The horizontal coordinates were scaled from a topographic map and have DX0371.an estimated accuracy of +/- 6 seconds. DX0371 DX0371.The orthometric height was determined by differential leveling DX0371.and adjusted by the National Geodetic Survey in May 2000. DX0371.No vertical observational check was made to the station. DX0371 DX0371.The geoid height was determined by GEOID99. DX0371 DX0371.The dynamic height is computed by dividing the NAVD 88 DX0371.geopotential number by the normal gravity value computed on the DX0371.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DX0371.degrees latitude (g = 980.6199 gals.). DX0371 DX0371.The modeled gravity was interpolated from observed gravity values. DX0371 DX0371; North East Units Estimated Accuracy DX0371;SPC CA 6 - 607,120. 1,986,440. MT (+/- 180 meters Scaled) DX0371 DX0371 SUPERSEDED SURVEY CONTROL DX0371 DX0371 NGVD 29 - 465.393 (m) 1526.88 (f) ADJ UNCH 1 1 DX0371 DX0371.Superseded values are not recommended for survey control. DX0371.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX0371.See file dsdata.txt to determine how the superseded data were derived. DX0371 DX0371_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS564661(NAD 83) DX0371_MARKER: DD = SURVEY DISK DX0371_SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) DX0371_STAMPING: BOR 36 1969 DX0371_MARK LOGO: CA-073 DX0371_PROJECTION: FLUSH DX0371_MAGNETIC: N = NO MAGNETIC MATERIAL DX0371_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DX0371_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DX0371+SATELLITE: SATELLITE OBSERVATIONS - January 13, 2003 DX0371_ROD/PIPE-DEPTH: 5.8 meters DX0371 DX0371 HISTORY - Date Condition Report By DX0371 HISTORY - 1969 MONUMENTED CA-073 DX0371 HISTORY - 1970 GOOD CA-073 DX0371 HISTORY - 1978 GOOD NGS DX0371 HISTORY - 19950628 GOOD CADT DX0371 HISTORY - 20030113 GOOD INDIV DX0371 DX0371 STATION DESCRIPTION DX0371 DX0371'DESCRIBED BY SAN DIEGO COUNTY CALIFORNIA 1969 DX0371'0.9 MI SW FROM BORREGO SPRINGS. DX0371'SAN DIEGO COUNTY, BORREGO SPRINGS. 0.9 MILES SOUTHWEST ALONG DX0371'U.S. HIGHWAY 78 FROM INTERSECTION OF YAQUI PASS ROAD AND U.S. DX0371'HIGHWAY 78, 5.7 MILES NORTHEAST FROM INTERSECTION OF SAN FELIPE DX0371'ROAD AND U.S. HIGHWAY 78, 170 FEET WEST OF LIZARD WASH, 30 FEET DX0371'NORTH OF CENTER LINE. SET 19 FEET OF 5/8 INCH COPPER-STEEL DX0371'ROD DRIVEN TO REFUSAL AND CAPPED WITH THREADED SAN DIEGO COUNTY DX0371'STANDARD DISK FLUSH WITH THE GROUND AND STAMPED BOR 36 1969. DX0371'SET STEEL FENCE GUARD POST 1 FOOT EAST OF MARK. DX0371 DX0371 STATION RECOVERY (1970) DX0371 DX0371'RECOVERY NOTE BY SAN DIEGO COUNTY CALIFORNIA 1970 DX0371'RECOVERED IN GOOD CONDITION. DX0371 DX0371 STATION RECOVERY (1978) DX0371 DX0371'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 DX0371'17.8 MILES EAST ALONG STATE HIGHWAY 78 FROM THE POST OFFICE AT JULIAN. DX0371 DX0371 STATION RECOVERY (1995) DX0371 DX0371'RECOVERY NOTE BY CALTRANS 1995 (ATD) DX0371'THE STATION WAS LEVELED TO BY CADT AS A PART OF THE 1995 PERIPHERAL DX0371'RUN IN SAN DIEGO COUNTY TO ESTABLISH NAVD 1988. DX0371 DX0371 STATION RECOVERY (2003) DX0371 DX0371'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (RLS) DX0371'POST WITH METAL SILVER TAG WHICH READS SAN DIEGO COUNTY SURVEYER DX0371'MONUMENT 1969 BOR 36 STAMPED ON IT. NORTH OF HIGHWAY. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DC1871 *********************************************************************** DC1871 DESIGNATION - MOAN USE 1941 DC1871 PID - DC1871 DC1871 STATE/COUNTY- CA/SAN DIEGO DC1871 USGS QUAD - SWEENEY PASS (1959) DC1871 DC1871 *CURRENT SURVEY CONTROL DC1871 ___________________________________________________________________ DC1871* NAD 83(1992)- 32 45 00.90939(N) 116 11 00.54427(W) ADJUSTED DC1871* NAVD 88 - 1397. (meters) 4583. (feet) VERTCON DC1871 ___________________________________________________________________ DC1871 EPOCH DATE - 1991.35 DC1871 LAPLACE CORR- -4.87 (seconds) DEFLEC99 DC1871 GEOID HEIGHT- -32.90 (meters) GEOID99 DC1871 DC1871 HORZ ORDER - THIRD DC1871 DC1871.The horizontal coordinates were established by classical geodetic methods DC1871.and adjusted by the National Geodetic Survey in June 1996. DC1871.The horizontal coordinates are valid at the epoch date displayed above. DC1871.The epoch date for horizontal control is a decimal equivalence DC1871.of Year/Month/Day. DC1871 DC1871.The NAVD 88 height was computed by applying the VERTCON shift value to DC1871.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1871 DC1871.The Laplace correction was computed from DEFLEC99 derived deflections. DC1871 DC1871.The geoid height was determined by GEOID99. DC1871 DC1871; North East Units Scale Converg. DC1871;SPC CA 6 - 564,723.477 2,006,233.574 MT 1.00000567 +0 02 11.6 DC1871;SPC CA 6 - 1,852,763.61 6,582,117.98 sFT 1.00000567 +0 02 11.6 DC1871;UTM 11 - 3,623,895.340 576,490.726 MT 0.99967214 +0 26 30.3 DC1871 DC1871: Primary Azimuth Mark Grid Az DC1871:SPC CA 6 - JACUMBA 162 54 31.1 DC1871:UTM 11 - JACUMBA 162 30 12.4 DC1871 DC1871|---------------------------------------------------------------------| DC1871| PID Reference Object Distance Geod. Az | DC1871| dddmmss.s | DC1871| DC1901 JACUMBA APPROX. 6.1 KM 1625642.7 | DC1871|---------------------------------------------------------------------| DC1871 DC1871 SUPERSEDED SURVEY CONTROL DC1871 DC1871 NAD 83(1986)- 32 45 00.91169(N) 116 11 00.54430(W) AD(1984.00) 3 DC1871 NAD 27 - 32 45 00.70799(N) 116 10 57.47060(W) AD( ) 3 DC1871 NGVD 29 - 1396. (m) 4580. (f) VERT ANG DC1871 DC1871.Superseded values are not recommended for survey control. DC1871.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1871.See file dsdata.txt to determine how the superseded data were derived. DC1871 DC1871_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS7649123895(NAD 83) DC1871_MARKER: DD = SURVEY DISK DC1871_SETTING: 80 = SET IN A BOULDER DC1871_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DC1871+STABILITY: SURFACE MOTION DC1871_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1871+SATELLITE: SATELLITE OBSERVATIONS - January 02, 2003 DC1871 DC1871 HISTORY - Date Condition Report By DC1871 HISTORY - 1941 MONUMENTED USE DC1871 HISTORY - 20030102 GOOD INDIV DC1871 DC1871 STATION DESCRIPTION DC1871 DC1871'DESCRIBED BY US ENGINEERS 1941 DC1871'STATION IS STANDARD DISK CEMENTED IN ROCK, STAMPED MOAN. DC1871' DC1871'STATION IS LOCATED ON HIGH HILL ABOUT 1 MILE EAST OF TUNNEL 19 ON DC1871'SAN DIEGO-ARIZONA RAILROAD ABOUT 8.0 MILES NORTH OF JACUMBA. DC1871' DC1871'TO REACH FROM JACUMBA POST OFFICE GO EAST ON U.S. HIGHWAY 80 FOR DC1871'14.2 MILES THRU INKOPAH GORGE AND ACROSS CONCRETE BRIDGE TO SECOND DC1871'SET OF GUARD RAILS ABOUT 0.5 MILES EAST OF BRIDGE, TURN LEFT ON OLD DC1871'DIRT ROAD ACROSS TRACKS, PAST MINE 4.0 MILES TO JUNCTION, TURN DC1871'LEFT AND GO 2.6 MILES, CROSS RAILROAD TRACKS AND GO 1.6 MILES AND DC1871'CROSS TRACKS, TURN RIGHT AND FOLLOW ALONG RAILROAD TRACKS, 1.3 DC1871'MILES TO DOS CABEZAS, FOLLOW ROAD TO END OF TRUCK TRAVEL, WALK DC1871'UP RAILROAD TRACKS TO WITHIN 200 FEET OF NORTH END OF TUNNEL 19 DC1871'(THIRD TUNNEL). STATION LIES EAST OF HERE ON HIGHEST POINT THAT DC1871'CAN BE SEEN TO EAST. DC1871' DC1871'REFERENCE MARK 1 IS STANDARD DISK CEMENTED IN ROCK, STAMPED R.M. 1. DC1871' DC1871'REFERENCE MARK 2 IS STANDARD DISK CEMENTED IN ROCK, STAMPED R.M. 2. DC1871 DC1871 STATION RECOVERY (2003) DC1871 DC1871'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (PJ) DC1871'FOUND MON 'MOAN' AND 'RM 2'. UNABLE TO RECOVER OTHER RM. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DC1872 *********************************************************************** DC1872 DESIGNATION - WINDY USE 1941 DC1872 PID - DC1872 DC1872 STATE/COUNTY- CA/SAN DIEGO DC1872 USGS QUAD - SWEENEY PASS (1959) DC1872 DC1872 *CURRENT SURVEY CONTROL DC1872 ___________________________________________________________________ DC1872* NAD 83(1992)- 32 45 14.47280(N) 116 11 43.09719(W) ADJUSTED DC1872* NAVD 88 - 1397. (meters) 4583. (feet) VERTCON DC1872 ___________________________________________________________________ DC1872 EPOCH DATE - 1991.35 DC1872 LAPLACE CORR- -4.81 (seconds) DEFLEC99 DC1872 GEOID HEIGHT- -32.87 (meters) GEOID99 DC1872 DC1872 HORZ ORDER - THIRD DC1872 DC1872.The horizontal coordinates were established by classical geodetic methods DC1872.and adjusted by the National Geodetic Survey in June 1996. DC1872.The horizontal coordinates are valid at the epoch date displayed above. DC1872.The epoch date for horizontal control is a decimal equivalence DC1872.of Year/Month/Day. DC1872 DC1872.The NAVD 88 height was computed by applying the VERTCON shift value to DC1872.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1872 DC1872.The Laplace correction was computed from DEFLEC99 derived deflections. DC1872 DC1872.The geoid height was determined by GEOID99. DC1872 DC1872; North East Units Scale Converg. DC1872;SPC CA 6 - 565,140.663 2,005,125.606 MT 1.00000501 +0 01 48.2 DC1872;SPC CA 6 - 1,854,132.33 6,578,482.93 sFT 1.00000501 +0 01 48.2 DC1872;UTM 11 - 3,624,304.543 575,380.206 MT 0.99967006 +0 26 07.4 DC1872 DC1872: Primary Azimuth Mark Grid Az DC1872:SPC CA 6 - MOAN USE 1941 110 37 59.1 DC1872:UTM 11 - MOAN USE 1941 110 13 39.9 DC1872 DC1872|---------------------------------------------------------------------| DC1872| PID Reference Object Distance Geod. Az | DC1872| dddmmss.s | DC1872| DC1871 MOAN USE 1941 APPROX. 1.2 KM 1103947.3 | DC1872|---------------------------------------------------------------------| DC1872 DC1872 SUPERSEDED SURVEY CONTROL DC1872 DC1872 NAD 83(1986)- 32 45 14.47505(N) 116 11 43.09718(W) AD(1984.00) 3 DC1872 NAD 27 - 32 45 14.27246(N) 116 11 40.02333(W) AD( ) 3 DC1872 NGVD 29 - 1396. (m) 4580. (f) VERT ANG DC1872 DC1872.Superseded values are not recommended for survey control. DC1872.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1872.See file dsdata.txt to determine how the superseded data were derived. DC1872 DC1872_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS7538024305(NAD 83) DC1872_MARKER: DD = SURVEY DISK DC1872_SETTING: 0 = UNSPECIFIED SETTING DC1872_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DC1872_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1872+SATELLITE: SATELLITE OBSERVATIONS - January 02, 2003 DC1872 DC1872 HISTORY - Date Condition Report By DC1872 HISTORY - 1941 MONUMENTED USE DC1872 HISTORY - 20030102 GOOD INDIV DC1872 DC1872 STATION DESCRIPTION DC1872 DC1872'DESCRIBED BY US ENGINEERS 1941 DC1872'STATION IS A STANDARD DISK CEMENTED IN ROCK, STAMPED WINDY. DC1872' DC1872'STATION IS LOCATED ON TOP OF TUNNEL NO. 19 ON SAN DIEGO AND DC1872'ARIZONA RAILROAD ABOUT 8 MILES NORTH OF JACUMBA. DC1872' DC1872'TO REACH FROM JACUMBA POST OFFICE GO EAST ON U.S. HIGHWAY, 80 DC1872'FOR 14.2 MILES THRU INKOPAH GORGE AND ACROSS CONCRETE BRIDGE TO DC1872'SECOND SET OF GUARD RAILS ON LEFT OF ROAD PAST BRIDGE, TURN LEFT DC1872'ON DIRT ROAD, CROSS TRACKS BY MICA MINE AND GO 4.4 MILES TO DC1872'JUNCTION, TURN LEFT AND GO 2.6 MILES AND CROSS RAILROAD TRACKS, DC1872'GO 1.6 MILES AND CROSS RAILROAD TRACKS, TURN RIGHT AND FOLLOW DC1872'TRACKS 1.3 MILES TO DOS CABEZAS, FOLLOW ROAD TO END OF TRUCK DC1872'TRAIL, WALK RAILROAD TO TUNNEL NO. 19 (THIRD TUNNEL). STATION DC1872'IS ON TOP OF TUNNEL (20 MINUTE PACK). DC1872' DC1872'REFERENCE MARK 1 IS STANDARD DISK CEMENTED IN ROCK, STAMPED R.M. 1. DC1872' DC1872'REFERENCE MARK 2 IS STANDARD DISK CEMENTED IN ROCK, STAMPED R.M. 2. DC1872 DC1872 STATION RECOVERY (2003) DC1872 DC1872'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (PJ) DC1872'FOUND MON 'WINDY' AND BOTH RMS. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DX3528 *********************************************************************** DX3528 DESIGNATION - Y 1326 DX3528 PID - DX3528 DX3528 STATE/COUNTY- CA/SAN DIEGO DX3528 USGS QUAD - BORREGO SINK (1959) DX3528 DX3528 *CURRENT SURVEY CONTROL DX3528 ___________________________________________________________________ DX3528* NAD 83(1986)- 33 09 36. (N) 116 20 26. (W) SCALED DX3528* NAVD 88 - 438.191 (meters) 1437.63 (feet) READJUSTED DX3528 ___________________________________________________________________ DX3528 GEOID HEIGHT- -32.69 (meters) GEOID99 DX3528 DYNAMIC HT - 437.670 (meters) 1435.92 (feet) COMP DX3528 MODELED GRAV- 979,433.6 (mgal) NAVD 88 DX3528 DX3528 VERT ORDER - * READJUSTED, Code A , SEE BELOW DX3528 DX3528.The horizontal coordinates were scaled from a topographic map and have DX3528.an estimated accuracy of +/- 6 seconds. DX3528 DX3528.The orthometric height was determined by differential leveling DX3528.and adjusted by the National Geodetic Survey in February 1993. DX3528.* This is a READJUSTED BENCH MARK height. Code A indicates a DX3528.distribution rate of 0.0 thru 1.0 mm/km. DX3528.The height was derived from older observations constrained to new DX3528.heights in a crustal motion area. The height is approximate in DX3528.relation to other heights in its vicinity. DX3528 DX3528.The geoid height was determined by GEOID99. DX3528 DX3528.The dynamic height is computed by dividing the NAVD 88 DX3528.geopotential number by the normal gravity value computed on the DX3528.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DX3528.degrees latitude (g = 980.6199 gals.). DX3528 DX3528.The modeled gravity was interpolated from observed gravity values. DX3528 DX3528; North East Units Estimated Accuracy DX3528;SPC CA 6 - 610,170. 1,991,550. MT (+/- 180 meters Scaled) DX3528 DX3528 SUPERSEDED SURVEY CONTROL DX3528 DX3528 NGVD 29 - 437.503 (m) 1435.37 (f) ADJ UNCH 1 1 DX3528 DX3528.Superseded values are not recommended for survey control. DX3528.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX3528.See file dsdata.txt to determine how the superseded data were derived. DX3528 DX3528_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS614692(NAD 83) DX3528_MARKER: DB = BENCH MARK DISK DX3528_SETTING: 16 = (FASTENED TO) A METAL ROD WITH BASE PLATE BURIED/SCREWED DX3528+WITH SETTING: INTO GROUND DX3528_STAMPING: Y 1326 1978 DX3528_MARK LOGO: NGS DX3528_PROJECTION: PROJECTING 5 CENTIMETERS DX3528_MAGNETIC: I = MARKER IS A STEEL ROD DX3528_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DX3528+STABILITY: SURFACE MOTION DX3528_ROD/PIPE-DEPTH: 1.2 meters DX3528 DX3528 HISTORY - Date Condition Report By DX3528 HISTORY - 1978 MONUMENTED NGS DX3528 HISTORY - 20030113 MARK NOT FOUND INDIV DX3528 DX3528 STATION DESCRIPTION DX3528 DX3528'DESCRIBED BY NATIONAL GEODETIC SURVEY 1978 DX3528'6.25 MI SOUTH FROM BORREGO SPRINGS. DX3528'2.4 MILES SOUTH ALONG BORREGO VALLEY ROAD FROM THE BORREGO ELEMENTARY DX3528'SCHOOL, THENCE 1.1 MILES EAST ALONG RANGO WAY, THENCE 0.55 MILE SOUTH DX3528'ALONG YAQUI PASS ROAD, THENCE 2.9 MILES SOUTH ALONG COUNTY ROAD S3, DX3528'0.8 MILE SOUTH OF THE ANZA BORREGO STATE PARK BOUNDARY, 0.3 MILE DX3528'SOUTHWEST OF MILE POST 3.5, 1.25 MILE NORTHEAST OF THE SUMMIT OF YAQUI DX3528'PASS, AT A WIDE SANDY WASH, ON THE NORTH SIDE OF A TWIN TREE TRUNK, DX3528'94.5 FT. NORTHWEST OF THE CENTER LINE OF THE ROAD, 11.0 FT. NORTH OF DX3528'THE TREE, 0.9 FT. EAST OF A 3 FT. SECTION OF WIRE FENCE, THE DISK IS DX3528'FLUSH WITH THE GROUND, ACCESS TO WHICH IS HAD THROUGH A 4-INCH PLASTIC DX3528'SCREW PLUG. DX3528'ABOUT LEVEL WITH ROAD. DX3528'2 FEET SOUTHEAST OF A WITNESS POST. DX3528 DX3528 STATION RECOVERY (2003) DX3528 DX3528'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (RLS) DX3528'FOUND WITNESS POST BUT NO EVIDENCE OF DISC OR PIPE WITH SCREW PLUG. DX3528'ALSO THERE IS NO FENCE WITHIN MILES. SANDY WASH AND TWIN TREE TRUNK DX3528'IN CENTER OF WASH AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 DX3527 *********************************************************************** DX3527 DESIGNATION - Z 1326 DX3527 PID - DX3527 DX3527 STATE/COUNTY- CA/SAN DIEGO DX3527 USGS QUAD - BORREGO SINK (1959) DX3527 DX3527 *CURRENT SURVEY CONTROL DX3527 ___________________________________________________________________ DX3527* NAD 83(1986)- 33 09 17. (N) 116 20 42. (W) SCALED DX3527* NAVD 88 - 480.433 (meters) 1576.22 (feet) READJUSTED DX3527 ___________________________________________________________________ DX3527 GEOID HEIGHT- -32.65 (meters) GEOID99 DX3527 DYNAMIC HT - 479.860 (meters) 1574.34 (feet) COMP DX3527 MODELED GRAV- 979,425.5 (mgal) NAVD 88 DX3527 OBS GRAVITY - 979,420.6 (mgal) GRAV_OBS DX3527 DX3527 VERT ORDER - * READJUSTED, Code A , SEE BELOW DX3527 DX3527.The horizontal coordinates were scaled from a topographic map and have DX3527.an estimated accuracy of +/- 6 seconds. DX3527 DX3527.The orthometric height was determined by differential leveling DX3527.and adjusted by the National Geodetic Survey in February 1993. DX3527.* This is a READJUSTED BENCH MARK height. Code A indicates a DX3527.distribution rate of 0.0 thru 1.0 mm/km. DX3527.The height was derived from older observations constrained to new DX3527.heights in a crustal motion area. The height is approximate in DX3527.relation to other heights in its vicinity. DX3527 DX3527.The geoid height was determined by GEOID99. DX3527 DX3527.The dynamic height is computed by dividing the NAVD 88 DX3527.geopotential number by the normal gravity value computed on the DX3527.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DX3527.degrees latitude (g = 980.6199 gals.). DX3527 DX3527.The modeled gravity was interpolated from observed gravity values. DX3527.The observed gravity was obtained from relative gravimeter ties DX3527.to the IGSN71 gravity network. DX3527 DX3527; North East Units Estimated Accuracy DX3527;SPC CA 6 - 609,580. 1,991,140. MT (+/- 180 meters Scaled) DX3527 DX3527 SUPERSEDED SURVEY CONTROL DX3527 DX3527 NGVD 29 - 479.742 (m) 1573.95 (f) ADJ UNCH 1 1 DX3527 DX3527.Superseded values are not recommended for survey control. DX3527.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX3527.See file dsdata.txt to determine how the superseded data were derived. DX3527 DX3527_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS610686(NAD 83) DX3527_MARKER: DB = BENCH MARK DISK DX3527_SETTING: 66 = SET IN ROCK OUTCROP DX3527_STAMPING: Z 1326 1978 DX3527_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD DX3527+STABILITY: POSITION/ELEVATION WELL DX3527 DX3527 HISTORY - Date Condition Report By DX3527 HISTORY - 1978 MONUMENTED NGS DX3527 HISTORY - 20030113 GOOD INDIV DX3527 DX3527 STATION DESCRIPTION DX3527 DX3527'DESCRIBED BY NATIONAL GEODETIC SURVEY 1978 DX3527'7.4 MI SOUTH FROM BORREGO SPRINGS. DX3527'2.4 MILES SOUTH ALONG BORREGO VALLEY ROAD FROM THE BORREGO ELEMENTARY DX3527'SCHOOL, THENCE 1.1 MILES EAST ALONG RANGO WAY, THENCE 0.55 MILE SOUTH DX3527'ALONG YAQUI PASS ROAD, THENCE 3.35 MILES SOUTH ALONG COUNTY ROAD S3, DX3527'0.25 MILE SOUTH OF MILE POST 3, 0.8 MILE NORTHEAST OF THE SUMMIT OF DX3527'YAQUI PASS AT THE CROSSING OF POWER LINES, 60.7 FT. EAST OF THE CENTER DX3527'LINE OF THE ROAD, 19.7 FT. SOUTH OF POWER POLE 271833, IN THE TOP OF DX3527'A 3 BY 3-FT. ROUNDED SANDSTONE LEDGE. DX3527 DX3527 STATION RECOVERY (2003) DX3527 DX3527'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (RLS) DX3527'RECOVERED IN GOOD CONDITION