1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 JR0440 *********************************************************************** JR0440 DESIGNATION - J 837 RESET JR0440 PID - JR0440 JR0440 STATE/COUNTY- CA/EL DORADO JR0440 USGS QUAD - SOUTH LAKE TAHOE (1992) JR0440 JR0440 *CURRENT SURVEY CONTROL JR0440 ___________________________________________________________________ JR0440* NAD 83(1986)- 38 56 32. (N) 119 58 39. (W) SCALED JR0440* NAVD 88 - 1909.14 (+/-2cm) 6263.6 (feet) VERTCON JR0440 ___________________________________________________________________ JR0440 GEOID HEIGHT- -24.02 (meters) GEOID03 JR0440 JR0440 VERT ORDER - SECOND CLASS 0 (See Below) JR0440 JR0440.The horizontal coordinates were scaled from a topographic map and have JR0440.an estimated accuracy of +/- 6 seconds. JR0440 JR0440.The NAVD 88 height was computed by applying the VERTCON shift value to JR0440.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JR0440.The vertical order pertains to the NGVD 29 superseded value. JR0440 JR0440.The geoid height was determined by GEOID03. JR0440 JR0440; North East Units Estimated Accuracy JR0440;SPC CA 2 - 643,540. 2,175,320. MT (+/- 180 meters Scaled) JR0440 JR0440 SUPERSEDED SURVEY CONTROL JR0440 JR0440 NGVD 29 (??/??/92) 1907.916 (m) 6259.55 (f) ADJ UNCH 2 0 JR0440 JR0440.Superseded values are not recommended for survey control. JR0440.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JR0440.See file dsdata.txt to determine how the superseded data were derived. JR0440 JR0440_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SKD419145(NAD 83) JR0440_MARKER: DB = BENCH MARK DISK JR0440_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JR0440_SP_SET: SET IN TOP OF CONCRETE MONUMENT JR0440_STAMPING: J 837 1947 RESET 1957 JR0440_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JR0440+STABILITY: SURFACE MOTION JR0440_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JR0440+SATELLITE: SATELLITE OBSERVATIONS - July 02, 2005 JR0440 JR0440 HISTORY - Date Condition Report By JR0440 HISTORY - 1957 MONUMENTED CGS JR0440 HISTORY - 20031214 GOOD NGS JR0440 HISTORY - 20050702 GOOD GEOCAC JR0440 JR0440 STATION DESCRIPTION JR0440 JR0440'DESCRIBED BY COAST AND GEODETIC SURVEY 1957 JR0440'AT AL TAHOE. JR0440'AT AL TAHOE, AT THE JUNCTION OF U.S. HIGHWAY 50 AND TALAC AVENUE, JR0440'AT THE ENTRANCE TO EL DORADO COUNTY CAMP GROUND, 132.5 FEET JR0440'NORTHEAST OF BENCH MARK W 920, 62 1/2 FEET NORTH OF THE CENTER JR0440'LINE OF THE ENTRANCE DRIVE, 40 1/2 FEET EAST OF THE CENTER LINE OF JR0440'THE EAST LANES OF THE HIGHWAY, 14 FEET SOUTH OF THE PROLONGATION JR0440'OF THE CENTER LINE OF THE AVENUE, 11.3 FEET WEST OF A NORTH-SOUTH JR0440'FENCE, 1.8 FEET NORTH OF A SMALL STONE MONUMENT BEARING THE JR0440'INSCRIPTION 59 MILES, ABOUT 1 FOOT HIGHER THAN THE HIGHWAY, AND JR0440'SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE JR0440'GROUND. JR0440 JR0440 STATION RECOVERY (2003) JR0440 JR0440'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (DW) JR0440'AREA IS NOW CALLED SOUTH LAKE TAHOE. ENTRANCE TO CAMP GROUND IS JR0440'CLOSED OFF. ROAD TO WEST IS CALLED TALLAC AVENUE. EAST-BOUND HWY 50 JR0440'GOES NORTH AT THIS POINT. GRAVITY BASE STATION 'AL TAHOE' = C 98 = JR0440'USGS CH98 IS ADJACENT TO AND 0.4 FEET BELOW MONEMENT. JR0440 JR0440 STATION RECOVERY (2005) JR0440 JR0440'RECOVERY NOTE BY GEOCACHING 2005 (HMT) JR0440'HANDHELD COORDS (NAD83) 38 56 29.7 (N) 119 58 37.2 (W)