1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DB0070 *********************************************************************** DB0070 DESIGNATION - BENCH 2 RM 5 DB0070 PID - DB0070 DB0070 STATE/COUNTY- CA/IMPERIAL DB0070 USGS QUAD - OGILBY (1988) DB0070 DB0070 *CURRENT SURVEY CONTROL DB0070 ___________________________________________________________________ DB0070* NAD 83(1986)- 32 45 41. (N) 114 50 11. (W) SCALED DB0070* NAVD 88 - 69.12 (meters) 226.8 (feet) RESET DB0070 ___________________________________________________________________ DB0070 GEOID HEIGHT- -34.00 (meters) GEOID99 DB0070 DB0070 VERT ORDER - THIRD DB0070 DB0070.The horizontal coordinates were scaled from a topographic map and have DB0070.an estimated accuracy of +/- 6 seconds. DB0070 DB0070.The orthometric height was computed from unverified reset data. DB0070.No vertical observational check was made to the station. DB0070 DB0070.The geoid height was determined by GEOID99. DB0070 DB0070; North East Units Estimated Accuracy DB0070;SPC CA 6 - 566,850. 2,132,460. MT (+/- 180 meters Scaled) DB0070 DB0070 SUPERSEDED SURVEY CONTROL DB0070 DB0070 NGVD 29 - 68.41 (m) 224.4 (f) RESET 3 DB0070 DB0070.Superseded values are not recommended for survey control. DB0070.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DB0070.See file dsdata.txt to determine how the superseded data were derived. DB0070 DB0070_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SQS026269(NAD 83) DB0070_MARKER: DR = REFERENCE MARK DISK DB0070_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DB0070_STAMPING: BENCH 2 NO 5 BM RESET 1968 DB0070_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DB0070+STABILITY: SURFACE MOTION DB0070 DB0070 HISTORY - Date Condition Report By DB0070 HISTORY - 1968 MONUMENTED CGS DB0070 HISTORY - 1971 GOOD NGS DB0070 DB0070 STATION DESCRIPTION DB0070 DB0070'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 DB0070'6.4 MI E FROM GRAY WELLS. DB0070'4.3 MILES EAST ALONG U.S. HIGHWAY 80 FROM THE STANDARD OIL SERVICE DB0070'STATION AT GRAYS WELLS TO THE HIGHWAY BRIDGE OVER THE ALL AMERICAN DB0070'CANAL, THENCE 2.1 MILES EAST ALONG THE U.S. HIGHWAY, AT OGILBY DB0070'ROAD INTERSECTION, 69.025 FEET NORTHEAST OF THE STATION AND SET DB0070'IN THE TOP OF A CONCRETE POST PROJECTING 8 INCHES ABOVE THE GROUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 AH2561 *********************************************************************** AH2561 DESIGNATION - C 60 RESET AH2561 PID - AH2561 AH2561 STATE/COUNTY- CA/IMPERIAL AH2561 USGS QUAD - GLAMIS SW (1979) AH2561 AH2561 *CURRENT SURVEY CONTROL AH2561 ___________________________________________________________________ AH2561* NAD 83(1986)- 32 45 35. (N) 115 14 45. (W) SCALED AH2561* NAVD 88 - 14.05 (+/-2cm) 46.1 (feet) VERTCON AH2561 ___________________________________________________________________ AH2561 GEOID HEIGHT- -34.49 (meters) GEOID99 AH2561 AH2561 VERT ORDER - THIRD (See Below) AH2561 AH2561.The horizontal coordinates were scaled from a topographic map and have AH2561.an estimated accuracy of +/- 6 seconds. AH2561 AH2561.The NAVD 88 height was computed by applying the VERTCON shift value to AH2561.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AH2561.The vertical order pertains to the superseded datum. AH2561 AH2561.The geoid height was determined by GEOID99. AH2561 AH2561; North East Units Estimated Accuracy AH2561;SPC CA 6 - 566,230. 2,094,100. MT (+/- 180 meters Scaled) AH2561 AH2561 SUPERSEDED SURVEY CONTROL AH2561 AH2561 NGVD 29 - 13.37 (m) 43.9 (f) RESET 3 AH2561 AH2561.Superseded values are not recommended for survey control. AH2561.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AH2561.See file dsdata.txt to determine how the superseded data were derived. AH2561 AH2561_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS643260(NAD 83) AH2561_MARKER: DB = BENCH MARK DISK AH2561_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AH2561_STAMPING: C 60 RESET 1967 AH2561_MARK LOGO: CGS AH2561_PROJECTION: FLUSH AH2561_MAGNETIC: N = NO MAGNETIC MATERIAL AH2561_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AH2561+STABILITY: SURFACE MOTION AH2561 AH2561 HISTORY - Date Condition Report By AH2561 HISTORY - 1967 MONUMENTED CGS AH2561 AH2561 STATION DESCRIPTION AH2561 AH2561'DESCRIBED BY COAST AND GEODETIC SURVEY 1967 AH2561'9 MILES (14.5 KM) EAST ALONG US HIGHWAY 80 FROM THE CITY PARK IN AH2561'HOLTVILLE, CITY CENTER, 9.1 MILES (14.6 KM) WEST OF THE JUNCTION OF US AH2561'HIGHWAY 80 AND STATE HIGHWAY 98. 204.0 FEET (62.2 M) SOUTHWEST OF THE AH2561'SOUTH ONE OF TWO POWER POLES, 188.0 FEET (57.3 M) NORTHWEST OF HIGHWAY AH2561'SURVEY MONUMENT SIGN XO 13500 LT 91+25 A3, 75.0 FEET (22.9 M) NORTH OF AH2561'CENTERLINE OF US HIGHWAY 80, 1.8 FEET (0.5 M) EAST OF A METAL WITNESS AH2561'POST WITH SIGN ATTACHED. SET IN A CONCRETE POST AND PROJECTS 5 INCHES AH2561'ABOVE THE GROUND SURFACE. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DC1876 *********************************************************************** DC1876 DESIGNATION - DEVIL CADH 1959 DC1876 PID - DC1876 DC1876 STATE/COUNTY- CA/IMPERIAL DC1876 USGS QUAD - IN-KO-PAH GORGE (1975) DC1876 DC1876 *CURRENT SURVEY CONTROL DC1876 ___________________________________________________________________ DC1876* NAD 83(1992)- 32 41 19.15830(N) 116 04 57.20082(W) ADJUSTED DC1876* NAVD 88 - 773.8 (meters) 2539. (feet) VERTCON DC1876 ___________________________________________________________________ DC1876 EPOCH DATE - 1991.35 DC1876 LAPLACE CORR- -6.70 (seconds) DEFLEC99 DC1876 GEOID HEIGHT- -33.04 (meters) GEOID99 DC1876 DC1876 HORZ ORDER - THIRD DC1876 DC1876.The horizontal coordinates were established by classical geodetic methods DC1876.and adjusted by the National Geodetic Survey in June 1996. DC1876.The horizontal coordinates are valid at the epoch date displayed above. DC1876.The epoch date for horizontal control is a decimal equivalence DC1876.of Year/Month/Day. DC1876 DC1876.The NAVD 88 height was computed by applying the VERTCON shift value to DC1876.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1876 DC1876.The Laplace correction was computed from DEFLEC99 derived deflections. DC1876 DC1876.The geoid height was determined by GEOID99. DC1876 DC1876; North East Units Scale Converg. DC1876;SPC CA 6 - 557,902.887 2,015,703.191 MT 1.00001710 +0 05 31.2 DC1876;SPC CA 6 - 1,830,386.39 6,613,186.22 sFT 1.00001710 +0 05 31.2 DC1876;UTM 11 - 3,617,143.978 586,005.103 MT 0.99969121 +0 29 43.9 DC1876 DC1876: Primary Azimuth Mark Grid Az DC1876:SPC CA 6 - INKO CADH 1959 042 07 18.1 DC1876:UTM 11 - INKO CADH 1959 041 43 05.4 DC1876 DC1876|---------------------------------------------------------------------| DC1876| PID Reference Object Distance Geod. Az | DC1876| dddmmss.s | DC1876| DC1877 INKO CADH 1959 APPROX. 0.9 KM 0421249.3 | DC1876|---------------------------------------------------------------------| DC1876 DC1876 SUPERSEDED SURVEY CONTROL DC1876 DC1876 NAD 83(1986)- 32 41 19.15941(N) 116 04 57.20493(W) AD(1984.00) 3 DC1876 NAD 27 - 32 41 18.93710(N) 116 04 54.14840(W) AD( ) 3 DC1876 NGVD 29 - 773.0 (m) 2536. (f) VERT ANG DC1876 DC1876.Superseded values are not recommended for survey control. DC1876.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1876.See file dsdata.txt to determine how the superseded data were derived. DC1876 DC1876_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8600517144(NAD 83) DC1876_MARKER: DS = TRIANGULATION STATION DISK DC1876_SETTING: 80 = SET IN A BOULDER DC1876_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DC1876+STABILITY: SURFACE MOTION DC1876_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1876+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2002 DC1876 DC1876 HISTORY - Date Condition Report By DC1876 HISTORY - 1958 MONUMENTED CADH DC1876 HISTORY - 20021025 GOOD INDIV DC1876 DC1876 STATION DESCRIPTION DC1876 DC1876'DESCRIBED BY CA DIV OF HIGHWAYS 1958 DC1876'STATION DEVIL IS LOCATED ABOUT 7.9 AIR MILES APPROXIMATE DC1876'BEARING N 50 DEG E FROM THE TOWN OF JACUMBA. DC1876' DC1876'TO REACH THE STATION PROCEED AS FOLLOWS-- DC1876' DC1876'FROM THE POST OFFICE IN JACUMBA GO E FOR 8.8 MI. ON U.S. DC1876'HIGHWAY 80 TO ENGR. STA. IMP. 12 A 159+00. AT THIS POINT DC1876'THE EXISTING HIGHWAY, LEADING SE, CROSSES THE OLD HIGHWAY DC1876'(CONCRETE PAVEMENT) WHICH HERE RUNS APPROXIMATELY E-W. TURN DC1876'E PAST THE END OF A GUARDRAIL, ONTO THE OLD HIGHWAY. PROCEED DC1876'FOR 0.2 MI. TO THE DIRT ROAD ON THE LEFT. FOLLOW THIS ROAD, DC1876'WINDING NE, ABOUT 0.6 MI. TO THE END OF JEEP TRAVEL AT THE DC1876'HEAD OF A ROCKY CANYON LEADING SLIGHTLY E OF N. PROCEED ON DC1876'FOOT DOWN THIS CANYON (ALONG AN OLD STAGE ROAD) ABOUT 350 DC1876'YDS. FARTHER TO A POINT WHERE IT TURNS (N) AND A NARROW DC1876'CANYON ENTERS FROM THE E. HERE, TO THE RIGHT, CAN BE SEEN DC1876'THE RUINS OF A SMALL STONE BUILDING. TURN E UP THE SMALLER DC1876'CANYON WHICH GRADUALLY TURNS NE, AND FOLLOW IT FOR ABOUT DC1876'0.6 MI. TO A POINT WHERE IT LEVELS OUT INTO A WIDE FLAT DC1876'VALLEY. TURN N AND ASCEND THE E SLOPE OF THE HILL WHICH DC1876'LIES ABOUT 0.4 MI. TO THE N OF THIS POINT. STATION DEVIL IS DC1876'LOCATED ON THE HIGH POINT AT THE N END OF THE HILL AND DC1876'OVERLOOKS DEVILS CANYON TO THE E AND N. (1-HR. PACK TO DC1876'THE STATION.) APPROXIMATE BEARINGS GIVEN ARE TRUE. DC1876' DC1876'THE REFERENCE MARKS ARE LOCATED AND SET AS SHOWN BY THE ABOVE DC1876'DIRECTIONS, DISTANCES AND NOTES. DC1876' DC1876'THE MARKS ARE CALIFORNIA, DIVISION OF HIGHWAYS TWO-INCH BRASS DC1876'DISKS STAMPED, DEVIL USC AND GS 1958, DEVIL R.M. 1 USC AND DC1876'GS 1958 AND DEVIL R.M. 2 USC AND GS 1958. DC1876 DC1876 STATION RECOVERY (2002) DC1876 DC1876'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (PJ) DC1876'FD MON AND BOTH RMS 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DW9122 *********************************************************************** DW9122 DESIGNATION - F 577 RESET DW9122 PID - DW9122 DW9122 STATE/COUNTY- CA/IMPERIAL DW9122 USGS QUAD - TRUCKHAVEN (1992) DW9122 DW9122 *CURRENT SURVEY CONTROL DW9122 ___________________________________________________________________ DW9122* NAD 83(1986)- 33 18 01. (N) 115 58 47. (W) SCALED DW9122* NAVD 88 - -14.53 (+/-2cm) -47.7 (feet) VERTCON DW9122 ___________________________________________________________________ DW9122 GEOID HEIGHT- -33.78 (meters) GEOID99 DW9122 DW9122 VERT ORDER - THIRD (See Below) DW9122 DW9122.The horizontal coordinates were scaled from a topographic map and have DW9122.an estimated accuracy of +/- 6 seconds. DW9122 DW9122.The NAVD 88 height was computed by applying the VERTCON shift value to DW9122.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW9122.The vertical order pertains to the superseded datum. DW9122 DW9122.The geoid height was determined by GEOID99. DW9122 DW9122; North East Units Estimated Accuracy DW9122;SPC CA 6 - 625,750. 2,025,170. MT (+/- 180 meters Scaled) DW9122 DW9122 SUPERSEDED SURVEY CONTROL DW9122 DW9122 NGVD 29 - -15.21 (m) -49.9 (f) RESET 3 DW9122 DW9122.Superseded values are not recommended for survey control. DW9122.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW9122.See file dsdata.txt to determine how the superseded data were derived. DW9122 DW9122_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS949850(NAD 83) DW9122_MARKER: DV = VERTICAL CONTROL DISK DW9122_SETTING: 36 = BRIDGE DW9122_STAMPING: F 577 RESET 1981 DW9122_MARK LOGO: NGS DW9122_MAGNETIC: N = NO MAGNETIC MATERIAL DW9122_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DW9122 DW9122 HISTORY - Date Condition Report By DW9122 HISTORY - 1981 MONUMENTED CADT DW9122 DW9122 STATION DESCRIPTION DW9122 DW9122'DESCRIBED BY CALTRANS 1981 DW9122'1.7 MILES (2.7 KM) NORTHWEST ALONG STATE ROUTE 86 FROM COUNTY ROUTE S DW9122'22 (BORREGO SALTON SEAWAY ROAD) TO BRIDGE NO. 58-45 (ANZA DITCH), DW9122'SET IN SOUTHWEST CORNER OF BRIDGE. (BRIDGE IS AT MILE POST 57.8 ON DW9122'ROUTE 86). 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DC1879 *********************************************************************** DC1879 DESIGNATION - GORGE DC1879 PID - DC1879 DC1879 STATE/COUNTY- CA/IMPERIAL DC1879 USGS QUAD - IN-KO-PAH GORGE (1975) DC1879 DC1879 *CURRENT SURVEY CONTROL DC1879 ___________________________________________________________________ DC1879* NAD 83(1992)- 32 41 37.30292(N) 116 03 31.66828(W) ADJUSTED DC1879* NAVD 88 - 594.9 (meters) 1952. (feet) VERTCON DC1879 ___________________________________________________________________ DC1879 EPOCH DATE - 1991.35 DC1879 LAPLACE CORR- -6.67 (seconds) DEFLEC99 DC1879 GEOID HEIGHT- -33.17 (meters) GEOID99 DC1879 DC1879 HORZ ORDER - SECOND DC1879 DC1879.The horizontal coordinates were established by classical geodetic methods DC1879.and adjusted by the National Geodetic Survey in June 1996. DC1879.The horizontal coordinates are valid at the epoch date displayed above. DC1879.The epoch date for horizontal control is a decimal equivalence DC1879.of Year/Month/Day. DC1879 DC1879.The NAVD 88 height was computed by applying the VERTCON shift value to DC1879.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1879 DC1879.The Laplace correction was computed from DEFLEC99 derived deflections. DC1879 DC1879.The geoid height was determined by GEOID99. DC1879 DC1879; North East Units Scale Converg. DC1879;SPC CA 6 - 558,465.677 2,017,930.325 MT 1.00001613 +0 06 18.3 DC1879;SPC CA 6 - 1,832,232.81 6,620,493.07 sFT 1.00001613 +0 06 18.3 DC1879;UTM 11 - 3,617,722.249 588,227.501 MT 0.99969598 +0 30 30.3 DC1879 DC1879: Primary Azimuth Mark Grid Az DC1879:SPC CA 6 - DEVIL CADH 1959 255 49 05.8 DC1879:UTM 11 - DEVIL CADH 1959 255 24 53.8 DC1879 DC1879|---------------------------------------------------------------------| DC1879| PID Reference Object Distance Geod. Az | DC1879| dddmmss.s | DC1879| CF0740 GORGE RM 1 02424 | DC1879| CF0741 GORGE RM 2 12241 | DC1879| DC1876 DEVIL CADH 1959 APPROX. 2.3 KM 2555524.1 | DC1879|---------------------------------------------------------------------| DC1879 DC1879 SUPERSEDED SURVEY CONTROL DC1879 DC1879 NAD 83(1986)- 32 41 37.30428(N) 116 03 31.67299(W) AD(1984.00) 2 DC1879 NAD 27 - 32 41 37.08230(N) 116 03 28.61980(W) AD( ) 2 DC1879 NGVD 29 - 594.1 (m) 1949. (f) VERT ANG DC1879 DC1879.Superseded values are not recommended for survey control. DC1879.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1879.See file dsdata.txt to determine how the superseded data were derived. DC1879 DC1879_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8822817722(NAD 83) DC1879_MARKER: DD = SURVEY DISK DC1879_SETTING: 80 = SET IN A BOULDER DC1879_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1879+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2002 DC1879 DC1879 HISTORY - Date Condition Report By DC1879 HISTORY - 1958 MONUMENTED CADH DC1879 HISTORY - 20021025 GOOD INDIV DC1879 DC1879 STATION DESCRIPTION DC1879 DC1879'DESCRIBED BY CA DIV OF HIGHWAYS 1958 DC1879'STATION GORGE IS LOCATED ABOUT 9.2 AIR MILES - APPROXIMATE DC1879'BEARING N 55 DEG E - FROM THE TOWN OF JACUMBA. DC1879' DC1879'TO FIND THE STATION PROCEED AS FOLLOWS-- DC1879' DC1879'STARTING FROM THE POST OFFICE IN JACUMBA, GO E ON U.S. HIGHWAY DC1879'80 (11.8 MI.) TO ENGR. STA. 315+35. AT THIS POINT THERE IS DC1879'A GRAVEL ROAD TO THE RIGHT (NE). THIS ROAD MAKES A LOOP DC1879'AROUND A ROCK HILL ABOUT 30 FT. HIGH AND COMES BACK INTO U.S. DC1879'HIGHWAY 80 ABOUT 100 FT. FARTHER ON. NEAR THE MIDPOINT OF THIS DC1879'LOOP TURN RIGHT (NE) ON A ROAD WHICH LEADS DOWN INTO A SANDY DC1879'WASH AND DIRECTLY TOWARD A HIGH ROCKY HILL ABOUT 300 FT. AWAY. DC1879'AT THE BASE OF THE HILL TAKE A FOOT TRAIL WHICH TURNS E AND DC1879'THEN LOOPS BACK N AND UP THE W SLOPE OF THE HILL TO THE DC1879'HIGH POINT AND STATION GORGE (ABOUT 30-MIN. PACK). DC1879' DC1879'THE STATION DISK IS SET IN A LARGE BOULDER. THE REFERENCE DC1879'MARKS ARE LOCATED AND SET AS SHOWN BY THE ABOVE DIRECTIONS, DC1879'DISTANCES AND NOTES. DC1879' DC1879'ALL APPROXIMATE BEARINGS GIVEN ABOVE ARE TRUE. DC1879' DC1879'THE MARKS ARE CALIFORNIA, DIVISION OF HIGHWAYS TWO-INCH BRASS DC1879'DISKS STAMPED, GORGE USC AND GS 1958, GORGE R.M. 1 USC AND GS DC1879'1958 AND GORGE R.M. 2 USC AND GS 1958. DC1879 DC1879 STATION RECOVERY (2002) DC1879 DC1879'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (PJ) DC1879'FD MON AND 1 RM, NO EVIDENCE OF OTHER RM 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DW9123 *********************************************************************** DW9123 DESIGNATION - IMP 5 RESET DW9123 PID - DW9123 DW9123 STATE/COUNTY- CA/IMPERIAL DW9123 USGS QUAD - TRUCKHAVEN (1992) DW9123 DW9123 *CURRENT SURVEY CONTROL DW9123 ___________________________________________________________________ DW9123* NAD 83(1986)- 33 17 38. (N) 115 58 32. (W) SCALED DW9123* NAVD 88 - -16.44 (+/-2cm) -53.9 (feet) VERTCON DW9123 ___________________________________________________________________ DW9123 GEOID HEIGHT- -33.80 (meters) GEOID99 DW9123 DW9123 VERT ORDER - THIRD (See Below) DW9123 DW9123.The horizontal coordinates were scaled from a topographic map and have DW9123.an estimated accuracy of +/- 6 seconds. DW9123 DW9123.The NAVD 88 height was computed by applying the VERTCON shift value to DW9123.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW9123.The vertical order pertains to the superseded datum. DW9123 DW9123.The geoid height was determined by GEOID99. DW9123 DW9123; North East Units Estimated Accuracy DW9123;SPC CA 6 - 625,050. 2,025,560. MT (+/- 180 meters Scaled) DW9123 DW9123 SUPERSEDED SURVEY CONTROL DW9123 DW9123 NGVD 29 - -17.11 (m) -56.1 (f) RESET 3 DW9123 DW9123.Superseded values are not recommended for survey control. DW9123.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW9123.See file dsdata.txt to determine how the superseded data were derived. DW9123 DW9123_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS953843(NAD 83) DW9123_MARKER: DV = VERTICAL CONTROL DISK DW9123_SETTING: 36 = BRIDGE DW9123_STAMPING: IMP 5 RESET 1981 DW9123_MARK LOGO: NGS DW9123_MAGNETIC: N = NO MAGNETIC MATERIAL DW9123_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DW9123 DW9123 HISTORY - Date Condition Report By DW9123 HISTORY - 1981 MONUMENTED CADT DW9123 DW9123 STATION DESCRIPTION DW9123 DW9123'DESCRIBED BY CALTRANS 1981 DW9123'1.2 MILES (1.9 KM) NORTHWEST ALONG STATE ROUTE 86 FROM COUNTY ROUTE S DW9123'22 (BORREGO SALTON SEAWAY ROAD) TO BRIDGE NO. 58-43 (AMEROSA DITCH), DW9123'SET IN SOUTHWEST CORNER OF BRIDGE. (BRIDGE IS AT MILE POST 57.3 ON DW9123'ROUTE 86). 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DW9124 *********************************************************************** DW9124 DESIGNATION - IMP 6 RESET DW9124 PID - DW9124 DW9124 STATE/COUNTY- CA/IMPERIAL DW9124 USGS QUAD - TRUCKHAVEN (1992) DW9124 DW9124 *CURRENT SURVEY CONTROL DW9124 ___________________________________________________________________ DW9124* NAD 83(1986)- 33 16 59. (N) 115 58 03. (W) SCALED DW9124* NAVD 88 - -24.73 (+/-2cm) -81.1 (feet) VERTCON DW9124 ___________________________________________________________________ DW9124 GEOID HEIGHT- -33.82 (meters) GEOID99 DW9124 DW9124 VERT ORDER - THIRD (See Below) DW9124 DW9124.The horizontal coordinates were scaled from a topographic map and have DW9124.an estimated accuracy of +/- 6 seconds. DW9124 DW9124.The NAVD 88 height was computed by applying the VERTCON shift value to DW9124.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW9124.The vertical order pertains to the superseded datum. DW9124 DW9124.The geoid height was determined by GEOID99. DW9124 DW9124; North East Units Estimated Accuracy DW9124;SPC CA 6 - 623,850. 2,026,320. MT (+/- 180 meters Scaled) DW9124 DW9124 SUPERSEDED SURVEY CONTROL DW9124 DW9124 NGVD 29 - -25.40 (m) -83.3 (f) RESET 3 DW9124 DW9124.Superseded values are not recommended for survey control. DW9124.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW9124.See file dsdata.txt to determine how the superseded data were derived. DW9124 DW9124_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS961831(NAD 83) DW9124_MARKER: DV = VERTICAL CONTROL DISK DW9124_SETTING: 36 = BRIDGE DW9124_STAMPING: IMP 6 RESET 1981 DW9124_MARK LOGO: NGS DW9124_MAGNETIC: N = NO MAGNETIC MATERIAL DW9124_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DW9124 DW9124 HISTORY - Date Condition Report By DW9124 HISTORY - 1981 MONUMENTED CADT DW9124 DW9124 STATION DESCRIPTION DW9124 DW9124'DESCRIBED BY CALTRANS 1981 DW9124'0.3 MILES (0.5 KM) NORTHWEST ALONG STATE ROUTE 86 FROM COUNTY ROUTE S DW9124'22 (BORREGO SALTON SEAWAY ROAD) TO BRIDGE NO. 58-41 (BILOXI DITCH), DW9124'SET IN THE SOUTHWEST CORNER OF BRIDGE. (BRIDGE IS AT MILE POST 56.4 DW9124'ON ROUTE 86). 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DC1877 *********************************************************************** DC1877 DESIGNATION - INKO CADH 1959 DC1877 PID - DC1877 DC1877 STATE/COUNTY- CA/IMPERIAL DC1877 USGS QUAD - IN-KO-PAH GORGE (1975) DC1877 DC1877 *CURRENT SURVEY CONTROL DC1877 ___________________________________________________________________ DC1877* NAD 83(1992)- 32 41 39.71933(N) 116 04 35.14138(W) ADJUSTED DC1877* NAVD 88 - 720. (meters) 2362. (feet) SCALED DC1877 ___________________________________________________________________ DC1877 EPOCH DATE - 1991.35 DC1877 LAPLACE CORR- -6.63 (seconds) DEFLEC99 DC1877 GEOID HEIGHT- -33.10 (meters) GEOID99 DC1877 DC1877 HORZ ORDER - THIRD DC1877 DC1877.The horizontal coordinates were established by classical geodetic methods DC1877.and adjusted by the National Geodetic Survey in June 1996. DC1877.The horizontal coordinates are valid at the epoch date displayed above. DC1877.The epoch date for horizontal control is a decimal equivalence DC1877.of Year/Month/Day. DC1877 DC1877.The orthometric height was scaled from a topographic map. DC1877 DC1877.The Laplace correction was computed from DEFLEC99 derived deflections. DC1877 DC1877.The geoid height was determined by GEOID99. DC1877 DC1877; North East Units Scale Converg. DC1877;SPC CA 6 - 558,537.224 2,016,276.794 MT 1.00001600 +0 05 43.4 DC1877;SPC CA 6 - 1,832,467.54 6,615,068.11 sFT 1.00001600 +0 05 43.4 DC1877;UTM 11 - 3,617,782.132 586,574.040 MT 0.99969242 +0 29 56.1 DC1877 DC1877: Primary Azimuth Mark Grid Az DC1877:SPC CA 6 - PAH 036 05 43.7 DC1877:UTM 11 - PAH 035 41 31.0 DC1877 DC1877|---------------------------------------------------------------------| DC1877| PID Reference Object Distance Geod. Az | DC1877| dddmmss.s | DC1877| DC1882 PAH APPROX. 2.4 KM 0361127.1 | DC1877|---------------------------------------------------------------------| DC1877 DC1877 SUPERSEDED SURVEY CONTROL DC1877 DC1877 NAD 83(1986)- 32 41 39.72041(N) 116 04 35.14580(W) AD(1984.00) 3 DC1877 NAD 27 - 32 41 39.49820(N) 116 04 32.09020(W) AD( ) 3 DC1877 DC1877.Superseded values are not recommended for survey control. DC1877.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1877.See file dsdata.txt to determine how the superseded data were derived. DC1877 DC1877_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8657417782(NAD 83) DC1877_MARKER: DS = TRIANGULATION STATION DISK DC1877_SETTING: 80 = SET IN A BOULDER DC1877_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DC1877+STABILITY: SURFACE MOTION DC1877_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1877+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2002 DC1877 DC1877 HISTORY - Date Condition Report By DC1877 HISTORY - 1958 MONUMENTED CADH DC1877 HISTORY - 20021025 GOOD INDIV DC1877 DC1877 STATION DESCRIPTION DC1877 DC1877'DESCRIBED BY CA DIV OF HIGHWAYS 1958 DC1877'GENERAL LOCATION--ABOUT 8.1 AIR MILES N 50 DEG E FROM THE DC1877'TOWN OF JACUMBA AND ABOUT 5.5 AIR MILES S 60 DEG W FROM THE DC1877'POST OFFICE IN OCOTILLO. (APPROXIMATE BEARINGS.) DC1877' DC1877'ACCESS DESCRIPTION--(4-WHEEL DRIVE) FROM POST OFFICE IN DC1877'JACUMBA GO E ON HIGHWAY 80 FOR 14.2 MI. OR FROM POST OFFICE DC1877'IN OCOTILLO GO W ON HIGHWAY 80 FOR 3.5 MI. TO ENGR. STA. IMP. DC1877'12-A. HERE TAKE GRAVEL ROAD N FOR 0.6 MI. TO RAILROAD. TURN DC1877'LEFT (W) ONTO SANDY ROAD RUNNING ALONG THE S SIDE OF THE DC1877'TRACKS AND CONTINUE 0.5 MI. FARTHER - ROAD TURNS LEFT (SW) AWAY DC1877'FROM RAILROAD. CONTINUE FOR 1.1 MI. (WINDING ROAD) TO MOUTH DC1877'OF SECOND FLAT, SANDY VALLEY LEADING S. TURN LEFT (S) AND DC1877'FOLLOW E SIDE OF VALLEY FOR 1.2 MI. FARTHER, VALLEY TURNS DC1877'SHARPLY TO SW. CONTINUE OF VALLEY FOR 1.2 MI. FARTHER, DC1877'VALLEY TURNS SHARPLY TO SW. CONTINUE ABOUT 1.0 MI. MORE TO DC1877'END OF JEEP TRAVEL. CONTINUE ON FOOT, ASCEND NE SLOPE OF HILL DC1877'LYING ABOUT 1/4 MI. TO THE SE (ABOUT 30-MIN. PACK). DC1877'PRECEDING APPROXIMATE BEARINGS ARE TRUE. DC1877' DC1877'LOCATION OF MONUMENTS--STATION INKO IS IN A LARGE BOULDER DC1877'AT TOP OF A HILL. THE REFERENCE MARKS ARE LOCATED AND SET DC1877'AS SHOWN ABOVE. DC1877' DC1877'THE MARKS ARE CALIFORNIA, DIVISION OF HIGHWAYS TWO-INCH BRASS DC1877'DISKS STAMPED, INKO USC AND GS 1958, INKO R.M. 1 USC AND DC1877'GS 1958 AND INKO R.M. 2 USC AND GS 1958. DC1877 DC1877 STATION RECOVERY (2002) DC1877 DC1877'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (PJ) DC1877'FD MON AND BOTH RMS 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DC1882 *********************************************************************** DC1882 DESIGNATION - PAH DC1882 PID - DC1882 DC1882 STATE/COUNTY- CA/IMPERIAL DC1882 USGS QUAD - IN-KO-PAH GORGE (1975) DC1882 DC1882 *CURRENT SURVEY CONTROL DC1882 ___________________________________________________________________ DC1882* NAD 83(1992)- 32 42 43.32018(N) 116 03 40.09649(W) ADJUSTED DC1882* NAVD 88 - 529.3 (meters) 1737. (feet) VERTCON DC1882 ___________________________________________________________________ DC1882 EPOCH DATE - 1991.35 DC1882 LAPLACE CORR- -6.37 (seconds) DEFLEC99 DC1882 GEOID HEIGHT- -33.27 (meters) GEOID99 DC1882 DC1882 HORZ ORDER - SECOND DC1882 DC1882.The horizontal coordinates were established by classical geodetic methods DC1882.and adjusted by the National Geodetic Survey in June 1996. DC1882.The horizontal coordinates are valid at the epoch date displayed above. DC1882.The epoch date for horizontal control is a decimal equivalence DC1882.of Year/Month/Day. DC1882 DC1882.The NAVD 88 height was computed by applying the VERTCON shift value to DC1882.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC1882 DC1882.The Laplace correction was computed from DEFLEC99 derived deflections. DC1882 DC1882.The geoid height was determined by GEOID99. DC1882 DC1882; North East Units Scale Converg. DC1882;SPC CA 6 - 560,498.987 2,017,707.095 MT 1.00001263 +0 06 13.6 DC1882;SPC CA 6 - 1,838,903.76 6,619,760.69 sFT 1.00001263 +0 06 13.6 DC1882;UTM 11 - 3,619,753.288 587,990.033 MT 0.99969547 +0 30 26.7 DC1882 DC1882: Primary Azimuth Mark Grid Az DC1882:SPC CA 6 - GORGE 173 44 05.3 DC1882:UTM 11 - GORGE 173 19 52.2 DC1882 DC1882|---------------------------------------------------------------------| DC1882| PID Reference Object Distance Geod. Az | DC1882| dddmmss.s | DC1882| DC1879 GORGE APPROX. 2.0 KM 1735018.9 | DC1882| CE9970 PAH RM 2 26347 | DC1882| CE9969 PAH RM 1 33415 | DC1882|---------------------------------------------------------------------| DC1882 DC1882 SUPERSEDED SURVEY CONTROL DC1882 DC1882 NAD 83(1986)- 32 42 43.32132(N) 116 03 40.10160(W) AD(1984.00) 2 DC1882 NAD 27 - 32 42 43.10040(N) 116 03 37.04810(W) AD( ) 2 DC1882 NGVD 29 - 528.5 (m) 1734. (f) VERT ANG DC1882 DC1882.Superseded values are not recommended for survey control. DC1882.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC1882.See file dsdata.txt to determine how the superseded data were derived. DC1882 DC1882_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS8799019753(NAD 83) DC1882_MARKER: DD = SURVEY DISK DC1882_SETTING: 80 = SET IN A BOULDER DC1882_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DC1882+STABILITY: SURFACE MOTION DC1882_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DC1882+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2002 DC1882 DC1882 HISTORY - Date Condition Report By DC1882 HISTORY - 1958 MONUMENTED CADH DC1882 HISTORY - 1981 GOOD CADT DC1882 HISTORY - 20021025 GOOD INDIV DC1882 DC1882 STATION DESCRIPTION DC1882 DC1882'DESCRIBED BY CA DIV OF HIGHWAYS 1958 DC1882'STATION PAH IS LOCATED ABOUT 9.9 AIR MILES, APPROXIMATELY N 50 DC1882'DEG E, FROM THE TOWN OF JACUMBA. AND ABOUT 4.2 AIR MILES, DC1882'APPROXIMATELY S 65 DEG W, OF THE POST OFFICE IN OCOTILLO. DC1882' DC1882'TO FIND THE POST OFFICE IN JACUMBA GO E ON HIGHWAY 80 FOR DC1882'14.2 MI. TO ENGR. STA. IMP. 12A (THIS POINT IS 3.5 MI. W ON DC1882'HIGHWAY 80 FROM THE OCOTILLO POST OFFICE). HERE TAKE A DC1882'SANDY ROAD TURNING NE FROM THE HIGHWAY. GO FOR 0.2 MI. TO DC1882'A FORK, TURN NW AND CONTINUE FOR 0.4 MI. FARTHER TO A ROAD LEFT DC1882'(W). TAKE THIS ROAD, WHICH RUNS ALONG THE S SIDE OF A RAILROAD. DC1882'PROCEED FOR 0.5 MI. FARTHER - ROAD LEAVES RAILROAD TURNING DC1882'SW. CONTINUE FOR 1.1 MI. (SANDY, WINDING ROAD) TO THE MOUTH DC1882'OF A WIDE FLAT VALLEY LEADING SE. TURN (LEFT) UP THIS DC1882'VALLEY. CONTINUE FOR 1.0 MI. FARTHER, FOLLOWING ALONG THE E DC1882'SIDE OF VALLEY, TO A POINT ABOUT 300 YDS. SHORT OF A DC1882'SHARP BEND TO THE W IN THE VALLEY. THIS IS THE END OF JEEP DC1882'TRAVEL. CLIMB THE ROCKY RIDGE WHICH LIES TO THE E. DC1882'STATION PAH IS AT THE SE END OF THE RIDGE, ABOUT 300 FT. DC1882'SE OF THE HIGH POINT (ABOUT 30-MIN. PACK). DC1882' DC1882'ALL DISKS ARE LOCATED AND SET AS SHOWN BY THE ABOVE DIRECTIONS, DC1882'DISTANCES AND NOTES. DC1882' DC1882'THE MARKS ARE CALIFORNIA, DIVISION OF HIGHWAYS TWO-INCH DC1882'BRASS DISKS STAMPED, PAH USC AND GS 1958, PAH R.M. 1 USC AND DC1882'GS 1958 AND PAH R.M. 2 USC AND GS 1958. DC1882 DC1882 STATION RECOVERY (1981) DC1882 DC1882'RECOVERY NOTE BY CALTRANS 1981 (ATD) DC1882'THE STATION WAS OCCUPIED BY THE LIGHTKEEPER AND NO DIRECTIONS WERE DC1882'TAKEN. DC1882' DC1882'THE STATION MARK, RM 1 AND RM 2 WERE FOUND IN GOOD CONDITION. DC1882' DC1882'A NEW DESCRIPTION FOLLOWS-- DC1882' DC1882'TO REACH FROM THE INTERSECTION OF INTERSTATE 8 AND IMPERIAL HIGHWAY IN DC1882'OCOTILLO, GO WEST ON I-8 FOR 5.8 MILES TO THE BEGINNING OF A TURN DC1882'(CURVE) TO THE RIGHT AND A TURN OUT ON THE RIGHT SIDE OF THE ROAD. DC1882'THIS IS THE END OF TRUCK TRAVEL. BEGIN PACK AT THE SOUTH END OF THE DC1882'CUT BANK ON THE LEFT, SOUTHEAST, SIDE OF THE ROAD. ASCEND NORTHERLY DC1882'TO TOP OF CUT BANK ABOUT 1000 FEET TO A WASH BEARING NORTHEAST. DC1882'FOLLOW WASH 1300 FEET TO A PLATEAU WITH 3 PEAKS TO THE NORTH. THE DC1882'STATION IS ON THE EASTERN MOST PEAK, ABOUT 450 FEET NORTH-NORTHEAST, DC1882'ON THE HIGHEST POINT OF THE PEAK, SECTION CORNER 4,3,10,9, WAS FOUND DC1882'400 FEET SOUTH OF THE STATION. DC1882' DC1882'STATION MARK IS A STANDARD CADH 2 INCH BRASS DISK STAMPED---PAH USC+GS DC1882'1958---CEMENTED IN A DRILL HOLE IN A LARGE BOULDER AT HIGHEST POINT OF DC1882'THE HILL. DC1882' DC1882'RM 1 NNW, IS A STANDARD CADH 2 INCH BRASS DISK STAMPED---PAH RM 1 DC1882'USC+GS 1958---CEMENTED IN A DRILL HOLE IN A BOULDER 2 FEET ABOVE DC1882'GROUND, 7 FEET LOWER THAN THE STATION MARK. DC1882' DC1882'RM 2, W, IS A STANDARD CADH 2 INCH BRASS DISK STAMPED---PAH RM 2 DC1882'USC+GS 1958---CEMENTED IN A DRILL HOLE IN ROCK LEVEL WITH THE GROUND, DC1882'6 FEET LOWER THAN THE STATION MARK. DC1882 DC1882 STATION RECOVERY (2002) DC1882 DC1882'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (PJ) DC1882'FD MON AND 1 RM 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DB1449 *********************************************************************** DB1449 DESIGNATION - SLOCUM 2 RESET DB1449 PID - DB1449 DB1449 STATE/COUNTY- CA/IMPERIAL DB1449 USGS QUAD - HOLTVILLE EAST (1979) DB1449 DB1449 *CURRENT SURVEY CONTROL DB1449 ___________________________________________________________________ DB1449* NAD 83(1992)- 32 45 43.19009(N) 115 15 05.51949(W) ADJUSTED DB1449* NAVD 88 - 14.87 (meters) 48.8 (feet) RESET DB1449 ___________________________________________________________________ DB1449 EPOCH DATE - 1991.35 DB1449 LAPLACE CORR- 0.68 (seconds) DEFLEC99 DB1449 GEOID HEIGHT- -34.49 (meters) GEOID99 DB1449 DB1449 HORZ ORDER - FIRST DB1449 VERT ORDER - THIRD DB1449 DB1449.The horizontal coordinates were established by classical geodetic methods DB1449.and adjusted by the National Geodetic Survey in June 1996. DB1449.The horizontal coordinates are valid at the epoch date displayed above. DB1449.The epoch date for horizontal control is a decimal equivalence DB1449.of Year/Month/Day. DB1449 DB1449.The orthometric height was computed from unverified reset data. DB1449.No vertical observational check was made to the station. DB1449 DB1449.The Laplace correction was computed from DEFLEC99 derived deflections. DB1449 DB1449.The geoid height was determined by GEOID99. DB1449 DB1449; North East Units Scale Converg. DB1449;SPC CA 6 - 566,471.947 2,093,558.560 MT 1.00000362 +0 32 55.2 DB1449;SPC CA 6 - 1,858,500.05 6,868,616.71 sFT 1.00000362 +0 32 55.2 DB1449;UTM 11 - 3,626,255.047 663,782.219 MT 0.99993077 +0 56 47.0 DB1449 DB1449: Primary Azimuth Mark Grid Az DB1449:SPC CA 6 - SLOCUM RM 3 290 21 34.1 DB1449:UTM 11 - SLOCUM RM 3 289 57 42.3 DB1449 DB1449|---------------------------------------------------------------------| DB1449| PID Reference Object Distance Geod. Az | DB1449| dddmmss.s | DB1449| DB1448 SLOCUM 2 A PT 1975 28.692 METERS 06824 | DB1449| DB0597 SLOCUM 2 RM 4 48.114 METERS 11008 | DB1449| DB0596 SLOCUM RM 2 92.973 METERS 23218 | DB1449| DB0601 SLOCUM RM 3 2905429.3 | DB1449| DB0600 SLOCUM RM 1 113.941 METERS 30337 | DB1449|---------------------------------------------------------------------| DB1449 DB1449 SUPERSEDED SURVEY CONTROL DB1449 DB1449 NAD 83(1992)- 32 45 43.19032(N) 115 15 05.51945(W) AD(1984.00) 1 DB1449 NAD 83(1986)- 32 45 43.19966(N) 115 15 05.52729(W) AD(1984.00) 1 DB1449 NAD 27 - 32 45 43.03189(N) 115 15 02.60473(W) AD( ) 1 DB1449 NGVD 29 - 14.25 (m) 46.8 (f) RESET 3 DB1449 DB1449.Superseded values are not recommended for survey control. DB1449.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DB1449.See file dsdata.txt to determine how the superseded data were derived. DB1449 DB1449_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS6378226255(NAD 83) DB1449_MARKER: DD = SURVEY DISK DB1449_SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND DB1449_STAMPING: SLOCUM 2 IMP 27 A RESET 1967 DOT DB1449_MARK LOGO: CADH DB1449_MAGNETIC: N = NO MAGNETIC MATERIAL DB1449_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DB1449 DB1449 HISTORY - Date Condition Report By DB1449 HISTORY - 1967 MONUMENTED CADH DB1449 HISTORY - 1967 GOOD CADH DB1449 HISTORY - 1975 SEE DESCRIPTION NGS DB1449 HISTORY - 19750205 GOOD NGS DB1449 DB1449 STATION DESCRIPTION DB1449 DB1449'DESCRIBED BY CA DIV OF HIGHWAYS 1967 (CAA) DB1449'THE STATION IS LOCATED ON TOP OF A LOW SAND HILL ALONG THE NORTH DB1449'SIDE OF U.S. HIGHWAY 80. IT IS 7 MILES EAST-SOUTHEAST OF HOLTVILLE DB1449'AND 1 MILE EAST OF A CANAL. DB1449' DB1449'THE STATION MARK IS A CALIFORNIA DEPT. OF HIGHWAYS DISK SET IN THE DB1449'TOP OF A LENGTH OF 4-INCH SOIL PIPE WHICH PROJECTS ABOUT 2-1/2 DB1449'FEET. IT IS ABOUT 100 FEET NORTH OF THE HIGHWAY AND 2 FEET NORTH DB1449'OF THE WITNESS POST. THE MARK IS STAMPED, SLOCUM 2 IMP 27 B RESET DB1449'1960. DB1449' DB1449'REFERENCE MARK 1 IS A STANDARD DISK STAMPED, SLOCUM NO 1 1934. IT DB1449'IS SET IN THE TOP OF A LENGTH OF SOIL PIPE WHICH PROJECTS ABOUT 1 DB1449'FOOT. IT IS ABOUT 65 YARDS NORTH OF THE HIGHWAY, 72 FEET SOUTHEAST DB1449'OF THE SOUTH 1 OF 2 POWER POLES AND 4-1/2 FEET WEST OF A HIGHWAY DB1449'BOUNDARY MONUMENT. DB1449' DB1449'REFERENCE MARK 2 IS A STANDARD DISK STAMPED, SLOCUM 2 1934. IT IS DB1449'SET IN THE TOP OF A LENGTH OF SOIL PIPE WHICH PROJECTS ABOUT 1-1/2 DB1449'FEET. IT IS 52 YARDS SOUTH OF THE HIGHWAY. DB1449' DB1449'REFERENCE MARK 3 (AZI. MARK) IS A STANDARD DISK STAMPED, SLOCUM DB1449'NO 3 1934. IT IS SET IN THE TOP OF A LENGTH OF SOIL PIPE WHICH DB1449'PROJECTS 10 INCHES. IT IS 204 FEET NORTH OF THE CENTER LINE OF THE DB1449'HIGHWAY, 96 FEET SOUTHEAST OF THE SOUTH 1 OF 2 POWER POLES AND 2 DB1449'FEET NORTH OF A WITNESS POST. DB1449' DB1449'REFERENCE MARK 4 IS A STANDARD DISK STAMPED SLOCUM 2 NO 4 1954. IT DB1449'IS SET IN THE TOP OF A CONCRETE MONUMENT WHICH PROJECTS 15 INCHES. DB1449'IT IS 99 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY. DB1449' DB1449'TO REACH THE STATION FROM THE POST OFFICE IN HOLTVILLE GO EAST DB1449'ALONG U.S. HIGHWAY 80 FOR 7-1/2 MILES TO THE CROSSING OF THE ALL DB1449'AMERICAN CANAL, CONTINUE AHEAD FOR 0.85 MILE TO THE AZIMUTH MARK ON DB1449'THE LEFT, CONTINUE AHEAD FOR 0.4 MILE TO A LOW MOUND OR SAND HILL DB1449'ON THE LEFT AND THE STATION. DB1449' DB1449'HEIGHT OF LIGHT ABOVE STATION MARK 21.4 METERS. DB1449 DB1449 STATION RECOVERY (1967) DB1449 DB1449'RECOVERY NOTE BY CA DIV OF HIGHWAYS 1967 DB1449'RECOVERED IN GOOD CONDITION. DB1449 DB1449 STATION RECOVERY (1975) DB1449 DB1449'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (ILC) DB1449'REFERENCE MARKS 1, 2, 3, AND 4 WERE RECOVERED AND FOUND IN GOOD DB1449'CONDITION. THE STATION MARK WAS LOWERED AT THIS TIME. THE DB1449'DIRECTIONS TO ALL THE MARKS COMPARED FAVORABLY WITH THE 1967 DATA. DB1449'HOWEVER, SHORTER DISTANCES OF 0.090 METER TO R.M. 1, 0.166 METER DB1449'TO R.M. 2, AND 0.087 METER TO R.M. 4 WAS NOTED AND VERIFIED. DB1449' DB1449'THE STATION IS LOCATED ABOUT 7 MILES EAST-SOUTHEAST OF HOLTVILLE, DB1449'1 MILE EAST OF THE EAST HIGHLINE CANAL AND ON TOP OF A SMALL SAND DB1449'HILL ALONG THE NORTH SIDE OF OLD U.S. HIGHWAY 80. IT IS ON BUREAU DB1449'OF LAND MANAGEMENT PROPERTY. DB1449' DB1449'TO REACH THE STATION FROM THE INTERSECTION OF HOLT AVENUE AND FIFTH DB1449'STREET IN HOLTVILLE, GO EAST ON FIFTH STREET AND OLD U.S. HIGHWAY DB1449'80 FOR 6.5 MILES TO A SIDE ROAD LEFT JUST BEFORE REACHING THE DB1449'OVERPASS AT INTERSTATE HIGHWAY 8. TURN LEFT AND CONTINUE EASTERLY DB1449'ON OLD U.S. HIGHWAY 80, ALONG THE NORTH SIDE OF INTERSTATE HIGHWAY DB1449'8, FOR 1.0 MILE TO A BRIDGE OVER THE EAST HIGHLINE CANAL. CONTINUE DB1449'EASTERLY ON THE OLD HIGHWAY FOR 0.95 MILE TO R.M. 3 ON THE LEFT, DB1449'ABOUT 205 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY. DB1449'CONTINUE EASTERLY ON OLD U.S. HIGHWAY 80 FOR 0.35 MILE TO THE DB1449'STATION ON THE LEFT ON TOP OF A SMALL SAND HILL. DB1449' DB1449'THE STATION MARK IS A CALIFORNIA DEPARTMENT OF HIGHWAYS DISK THAT DB1449'IS STAMPED SLOCUM 2 IMP 27 A RESET 1960 DOT AND IS CEMENTED IN DB1449'THE TOP OF A 4-INCH IRON PIPE THAT PROJECTS 2 FEET ABOVE THE DB1449'GROUND. IT IS 100 FEET NORTH OF THE HIGHWAY AND 2 FEET NORTH OF DB1449'METAL WITNESS POST. DB1449' DB1449'REFERENCE MARK 1 IS A STANDARD DISK STAMPED SLOCUM NO 1 1934, DB1449'CEMENTED IN THE TOP OF A 4-INCH IRON PIPE THAT PROJECTS 1 FOOT ABOVE DB1449'THE GROUND AND IS ABOUT 11 FEET LOWER THAN THE STATION. IT IS DB1449'ABOUT 65 YARDS NORTH OF THE HIGHWAY AND 72 FEET SOUTHEAST OF THE DB1449'SOUTH 1 OF 2 POWER POLES. DB1449' DB1449'REFERENCE MARK 2 IS A STANDARD DISK STAMPED SLOCUM NO 2 1934, DB1449'CEMENTED IN THE TOP OF A 4-INCH IRON PIPE THAT PROJECTS 1 FOOT DB1449'ABOVE THE GROUND AND IS ABOUT 11 FEET LOWER THAN THE STATION. IT DB1449'IS ABOUT 30 FEET SOUTH OF THE CENTER OF THE WEST BOUND LANE OF DB1449'INTERSTATE HIGHWAY 8 AND 1 FOOT SOUTH OF A METAL WITNESS POST. DB1449' DB1449'REFERENCE MARK 3, USED AS THE AZIMUTH MARK, IS A STANDARD DISK DB1449'STAMPED SLOCUM NO 3 1934 AND IS CEMENTED IN THE TOP OF A 4-INCH IRON DB1449'PIPE THAT PROJECTS 10 INCHES ABOVE THE GROUND. IT IS 205 FEET NORTH DB1449'OF THE CENTER OF THE HIGHWAY, 96 FEET SOUTHEAST OF THE SOUTH 1 DB1449'OF 2 POWER POLES AND 2 FEET NORTH OF A WITNESS POST. DB1449' DB1449'REFERENCE MARK 4 IS A STANDARD DISK STAMPED SLOCUM 2 NO 4 1954 DOT DB1449'AND IS SET IN THE TOP OF A 12-INCH ROUND CONCRETE MONUMENT THAT DB1449'PROJECTS 16 INCHES ABOVE THE GROUND. IT IS ABOUT 7 FEET LOWER THAN DB1449'THE STATION AND IS 158 FEET SOUTHEAST OF A METAL WITNESS POST AND DB1449'99 FEET NORTH OF THE CENTER OF THE HIGHWAY. DB1449' DB1449'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--7 MILES DB1449'EAST-SOUTHEAST OF HOLTVILLE. DB1449' DB1449'HEIGHT OF LIGHT ABOVE STATION MARK 19.7 FEET. DB1449 DB1449 STATION RECOVERY (1975) DB1449 DB1449'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 DB1449'FROM THE INTERSECTION OF HOLT AVENUE AND FIFTH STREET IN HOLTVILLE, GO DB1449'EAST ON FIFTH STREET AND OLD US HIGHWAY 80 FOR 6.5 MILES (10.5 KM) TO DB1449'A SIDE ROAD LEFT JUST BEFORE REACHING THE OVERPASS AT INTERSTATE DB1449'HIGHWAY 8. TURN LEFT AND CONTINUE EASTERLY ON OLD US HIGHWAY 80, DB1449'ALONG THE NORTH SIDE OF INTERSTATE HIGHWAY 8, FOR 1.0 MILE (1.6 KM) DB1449'TO A BRIDGE OVER THE EAST HIGHLINE CANAL, CONTINUE EASTERLY ON THE OLD DB1449'HIGHWAY FOR 0.95 MILE (1.53 KM) TO RM 3 ON THE LEFT, ABOUT 205 FEET DB1449'(62.5 M) NORTH OF THE CENTERLINE OF THE HIGHWAY, CONTINUE EASTERLY ON DB1449'OLD US HIGHWAY 80 FOR 0.35 MILE (0.56 KM) TO THE STATION ON THE LEFT DB1449'ON TOP OF A SMALL SAND HILL. A CALIFORNIA DEPARTMENT OF HIGHWAYS DB1449'DISK THAT IS CEMENTED IN THE TOP OF A 4-INCH IRON PIPE THAT PROJECTS DB1449'2 FEET (0.6 M) ABOVE THE GROUND, 100 FEET (30.5 M) NORTH OF THE DB1449'HIGHWAY AND 2 FEET (0.6 M) NORTH OF A METAL WITNESS POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DB1851 *********************************************************************** DB1851 DESIGNATION - V 1223 RESET DB1851 PID - DB1851 DB1851 STATE/COUNTY- CA/IMPERIAL DB1851 USGS QUAD - HOLTVILLE EAST (1979) DB1851 DB1851 *CURRENT SURVEY CONTROL DB1851 ___________________________________________________________________ DB1851* NAD 83(1986)- 32 48 35. (N) 115 22 15. (W) SCALED DB1851* NAVD 88 - -2.09 (+/-2cm) -6.9 (feet) VERTCON DB1851 ___________________________________________________________________ DB1851 GEOID HEIGHT- -34.49 (meters) GEOID99 DB1851 DB1851 VERT ORDER - THIRD (See Below) DB1851 DB1851.The horizontal coordinates were scaled from a topographic map and have DB1851.an estimated accuracy of +/- 6 seconds. DB1851 DB1851.The NAVD 88 height was computed by applying the VERTCON shift value to DB1851.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DB1851.The vertical order pertains to the superseded datum. DB1851 DB1851.The geoid height was determined by GEOID99. DB1851 DB1851; North East Units Estimated Accuracy DB1851;SPC CA 6 - 571,660. 2,082,340. MT (+/- 180 meters Scaled) DB1851 DB1851 SUPERSEDED SURVEY CONTROL DB1851 DB1851 NGVD 29 - -2.82 (m) -9.3 (f) RESET 3 DB1851 DB1851.Superseded values are not recommended for survey control. DB1851.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DB1851.See file dsdata.txt to determine how the superseded data were derived. DB1851 DB1851_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS525313(NAD 83) DB1851_MARKER: DV = VERTICAL CONTROL DISK DB1851_SETTING: 31 = CURB DB1851_STAMPING: V 1223 RESET 1976 DB1851_MARK LOGO: NGS DB1851_MAGNETIC: N = NO MAGNETIC MATERIAL DB1851_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DB1851 DB1851 HISTORY - Date Condition Report By DB1851 HISTORY - 1976 MONUMENTED NGS DB1851 DB1851 STATION DESCRIPTION DB1851 DB1851'DESCRIBED BY NATIONAL GEODETIC SURVEY 1976 DB1851'IN HOLTVILLE, IN THE EAST PART OF THE CITY, AT THE NORTHEAST QUADRANT DB1851'OF THE INTERSECTION OF EAST FIFTH STREET AND GRAPE STREET, IN THE TOP DB1851'OF THE EAST CURB OF GRAPE STREET, 89.0 FEET (27.1 M) NORTH OF THE DB1851'CENTER OF EAST FIFTH STREET AND 18.5 FEET (5.6 M) EAST OF THE CENTER DB1851'OF GRAPE STREET. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DW9121 *********************************************************************** DW9121 DESIGNATION - W 577 RESET DW9121 PID - DW9121 DW9121 STATE/COUNTY- CA/IMPERIAL DW9121 USGS QUAD - KANE SPRING (1992) DW9121 DW9121 *CURRENT SURVEY CONTROL DW9121 ___________________________________________________________________ DW9121* NAD 83(1986)- 33 07 11. (N) 115 51 05. (W) SCALED DW9121* NAVD 88 - -55.10 (+/-2cm) -180.8 (feet) VERTCON DW9121 ___________________________________________________________________ DW9121 GEOID HEIGHT- -34.16 (meters) GEOID99 DW9121 DW9121 VERT ORDER - THIRD (See Below) DW9121 DW9121.The horizontal coordinates were scaled from a topographic map and have DW9121.an estimated accuracy of +/- 6 seconds. DW9121 DW9121.The NAVD 88 height was computed by applying the VERTCON shift value to DW9121.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW9121.The vertical order pertains to the superseded datum. DW9121 DW9121.The geoid height was determined by GEOID99. DW9121 DW9121; North East Units Estimated Accuracy DW9121;SPC CA 6 - 605,770. 2,037,200. MT (+/- 180 meters Scaled) DW9121 DW9121 SUPERSEDED SURVEY CONTROL DW9121 DW9121 NGVD 29 - -55.77 (m) -183.0 (f) RESET 3 DW9121 DW9121.Superseded values are not recommended for survey control. DW9121.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW9121.See file dsdata.txt to determine how the superseded data were derived. DW9121 DW9121_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS071651(NAD 83) DW9121_MARKER: DD = SURVEY DISK DW9121_SETTING: 32 = CULVERT HEADWALL DW9121_STAMPING: W 577 RESET 1983 DW9121_MARK LOGO: CADT DW9121_MAGNETIC: N = NO MAGNETIC MATERIAL DW9121_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DW9121+STABILITY: SURFACE MOTION DW9121 DW9121 HISTORY - Date Condition Report By DW9121 HISTORY - 1983 MONUMENTED CADT DW9121 DW9121 STATION DESCRIPTION DW9121 DW9121'DESCRIBED BY CALTRANS 1983 DW9121'ABOUT 0.5 MILES (0.8 KM) SOUTHEAST ALONG STATE HIGHWAY 86 FROM ITS DW9121'JUNCTION WITH STATE HIGHWAY 78 (ABOUT 10 MILES (16.1 KM) NORTH OF DW9121'BRAWLEY), 40 FEET (12.2 M) SOUTHWEST OF THE CENTER OF HIGHWAY 86, IN DW9121'THE TOP OF THE NORTH END OF THE WEST HEADWALL OF CONCRETE CULVERT DW9121'58-181, NEAR MILE POST 43.1. 1 National Geodetic Survey, Retrieval Date = JANUARY 6, 2003 DX5583 *********************************************************************** DX5583 DESIGNATION - Z 572 RESET DX5583 PID - DX5583 DX5583 STATE/COUNTY- CA/IMPERIAL DX5583 USGS QUAD - OASIS (1974) DX5583 DX5583 *CURRENT SURVEY CONTROL DX5583 ___________________________________________________________________ DX5583* NAD 83(1986)- 33 23 39. (N) 116 02 36. (W) SCALED DX5583* NAVD 88 - -61.72 (+/-2cm) -202.5 (feet) VERTCON DX5583 ___________________________________________________________________ DX5583 GEOID HEIGHT- -33.49 (meters) GEOID99 DX5583 DX5583 VERT ORDER - THIRD (See Below) DX5583 DX5583.The horizontal coordinates were scaled from a topographic map and have DX5583.an estimated accuracy of +/- 6 seconds. DX5583 DX5583.The NAVD 88 height was computed by applying the VERTCON shift value to DX5583.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX5583.The vertical order pertains to the superseded datum. DX5583 DX5583.The geoid height was determined by GEOID99. DX5583 DX5583; North East Units Estimated Accuracy DX5583;SPC CA 6 - 636,150. 2,019,230. MT (+/- 180 meters Scaled) DX5583 DX5583 SUPERSEDED SURVEY CONTROL DX5583 DX5583 NGVD 29 - -62.40 (m) -204.7 (f) RESET 3 DX5583 DX5583.Superseded values are not recommended for survey control. DX5583.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX5583.See file dsdata.txt to determine how the superseded data were derived. DX5583 DX5583_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS889953(NAD 83) DX5583_MARKER: DV = VERTICAL CONTROL DISK DX5583_SETTING: 36 = BRIDGE DX5583_STAMPING: Z 572 RESET 1981 DX5583_MARK LOGO: NGS DX5583_MAGNETIC: N = NO MAGNETIC MATERIAL DX5583_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DX5583 DX5583 HISTORY - Date Condition Report By DX5583 HISTORY - 1981 MONUMENTED CADT DX5583 DX5583 STATION DESCRIPTION DX5583 DX5583'DESCRIBED BY CALTRANS 1981 DX5583'4.4 MILES (7.1 KM) SOUTHEAST ALONG STATE ROUTE 86 FROM DX5583'IMPERIAL-RIVERSIDE COUNTY LINE TO BRIDGE NO 58-74 (COOLIDGE SPRINGS DX5583'DITCH), SET IN THE SOUTHWEST CORNER OF BRIDGE. (BRIDGE IS AT MILE DX5583'POST 63.4 ON ROUTE 86).