1 National Geodetic Survey, Retrieval Date = FEBRUARY 8, 2005 JS0421 *********************************************************************** JS0421 DESIGNATION - N 202 JS0421 PID - JS0421 JS0421 STATE/COUNTY- CA/AMADOR JS0421 USGS QUAD - AMADOR CITY (1962) JS0421 JS0421 *CURRENT SURVEY CONTROL JS0421 ___________________________________________________________________ JS0421* NAD 83(1986)- 38 28 52. (N) 120 50 41. (W) SCALED JS0421* NAVD 88 - 331.78 (+/-2cm) 1088.5 (feet) VERTCON JS0421 ___________________________________________________________________ JS0421 GEOID HEIGHT- -28.74 (meters) GEOID03 JS0421 JS0421 VERT ORDER - SECOND CLASS 0 (See Below) JS0421 JS0421.The horizontal coordinates were scaled from a topographic map and have JS0421.an estimated accuracy of +/- 6 seconds. JS0421 JS0421.The NAVD 88 height was computed by applying the VERTCON shift value to JS0421.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS0421.The vertical order pertains to the NGVD 29 superseded value. JS0421 JS0421.The geoid height was determined by GEOID03. JS0421 JS0421; North East Units Estimated Accuracy JS0421;SPC CA 2 - 591,050. 2,100,800. MT (+/- 180 meters Scaled) JS0421 JS0421 SUPERSEDED SURVEY CONTROL JS0421 JS0421 NGVD 29 (??/??/92) 331.000 (m) 1085.96 (f) ADJ UNCH 2 0 JS0421 JS0421.Superseded values are not recommended for survey control. JS0421.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS0421.See file dsdata.txt to determine how the superseded data were derived. JS0421 JS0421_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH879613(NAD 83) JS0421_MARKER: DB = BENCH MARK DISK JS0421_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS0421_STAMPING: N 202 1935 JS0421_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS0421+STABILITY: SURFACE MOTION JS0421_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JS0421+SATELLITE: SATELLITE OBSERVATIONS - January 24, 2005 JS0421 JS0421 HISTORY - Date Condition Report By JS0421 HISTORY - 1935 MONUMENTED CGS JS0421 HISTORY - 20031214 GOOD NGS JS0421 HISTORY - 20050124 GOOD CONDOR JS0421 JS0421 STATION DESCRIPTION JS0421 JS0421'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 JS0421'AT PLYMOUTH. JS0421'AT PLYMOUTH, AMADOR COUNTY, AT THE CITY LIMITS, ON STATE HIGHWAY JS0421'49, AT THE JUNCTION OF A ROAD LEADING TO THE BUSINESS SECTION, JS0421'ABOUT 50 YARDS SOUTH OF THE CENTERLINE OF THE ROAD, 37 FEET EAST JS0421'OF THE CENTERLINE OF THE HIGHWAY, AND 88 FEET SOUTHEAST OF THE JS0421'SOUTHEAST CORNER OF THE POOL BROTHERS GARAGE. A STANDARD DISK, JS0421'STAMPED N 202 1935 AND SET IN THE TOP OF A CONCRETE POST. JS0421 JS0421 STATION RECOVERY (2003) JS0421 JS0421'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (DW) JS0421'THE ROAD INTO BUSINESS SECTION IS MAIN ST. STATION IS 6 INCHES BELOW JS0421'PAVED SHOULDER INSIDE A 10 INCH WIDE ACCESS TUBE WITH COVER. IT IS JS0421'DUE EAST ACROSS HWY FROM GAS PUMPS OF SIERRA TRADING POST (PROBABLY JS0421'FORMER POOL BROS.) AND ABOUT 18 METERS SW OF POST AT NW CORNER OF EL JS0421'DORADO SAVINGS BANK PLAZA. ADJACENT GRAVITY BASE STATION 'PLYMOUTH' JS0421'= C 110 WAS DESTROYED WITH REPAVING. JS0421 JS0421 STATION RECOVERY (2005) JS0421 JS0421'RECOVERY NOTE BY CONDOR TECHNOLOGIES 2005 (DLS) JS0421'RECOVERED IN GOOD CONDITION.