National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2004 HR2903 *********************************************************************** HR2903 DESIGNATION - HPGN CA 10 02 HR2903 PID - HR2903 HR2903 STATE/COUNTY- CA/MARIPOSA HR2903 USGS QUAD - EL CAPITAN (1992) HR2903 HR2903 *CURRENT SURVEY CONTROL HR2903 ___________________________________________________________________ HR2903* NAD 83(1992)- 37 38 18.27317(N) 119 43 18.72137(W) ADJUSTED HR2903* NAVD 88 - 1932.0 (meters) 6339. (feet) GPS OBS HR2903 ___________________________________________________________________ HR2903 EPOCH DATE - 1991.35 HR2903 X - -2,507,977.804 (meters) COMP HR2903 Y - -4,393,056.561 (meters) COMP HR2903 Z - 3,874,903.619 (meters) COMP HR2903 LAPLACE CORR- 17.32 (seconds) DEFLEC99 HR2903 ELLIP HEIGHT- 1905.24 (meters) (05/15/92) GPS OBS HR2903 GEOID HEIGHT- -26.77 (meters) GEOID03 HR2903 HR2903 HORZ ORDER - B HR2903 ELLP ORDER - FOURTH CLASS II HR2903 HR2903.The horizontal coordinates were established by GPS observations HR2903.and adjusted by the National Geodetic Survey in May 1992. HR2903.The horizontal coordinates are valid at the epoch date displayed above. HR2903.The epoch date for horizontal control is a decimal equivalence HR2903.of Year/Month/Day. HR2903 HR2903.The orthometric height was determined by GPS observations and a HR2903.high-resolution geoid model. HR2903 HR2903.The X, Y, and Z were computed from the position and the ellipsoidal ht. HR2903 HR2903.The Laplace correction was computed from DEFLEC99 derived deflections. HR2903 HR2903.The ellipsoidal height was determined by GPS observations HR2903.and is referenced to NAD 83. HR2903 HR2903.The geoid height was determined by GEOID03. HR2903 HR2903; North East Units Scale Factor Converg. HR2903;SPC CA 3 - 626,626.948 2,068,674.024 MT 0.99993110 +0 28 35.0 HR2903;SPC CA 3 - 2,055,858.58 6,786,974.69 sFT 0.99993110 +0 28 35.0 HR2903;UTM 11 - 4,169,182.141 259,835.574 MT 1.00031051 -1 39 46.7 HR2903 HR2903! - Elev Factor x Scale Factor = Combined Factor HR2903!SPC CA 3 - 0.99970112 x 0.99993110 = 0.99963224 HR2903!UTM 11 - 0.99970112 x 1.00031051 = 1.00001154 HR2903 HR2903 SUPERSEDED SURVEY CONTROL HR2903 HR2903 NAD 83(1986)- 37 38 18.26296(N) 119 43 18.71041(W) AD(1984.00) 1 HR2903 HR2903.Superseded values are not recommended for survey control. HR2903.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HR2903.See file dsdata.txt to determine how the superseded data were derived. HR2903 HR2903_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SKB5983669182(NAD 83) HR2903_MARKER: DD = SURVEY DISK HR2903_SETTING: 66 = SET IN ROCK OUTCROP HR2903_STAMPING: HPGN CALIF STA 10-02 1991 HR2903_MARK LOGO: CADT HR2903_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HR2903_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD HR2903+STABILITY: POSITION/ELEVATION WELL HR2903_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HR2903+SATELLITE: SATELLITE OBSERVATIONS - July 10, 1995 HR2903 HR2903 HISTORY - Date Condition Report By HR2903 HISTORY - 1991 MONUMENTED CADT HR2903 HISTORY - 19910530 GOOD NGS HR2903 HISTORY - 19930728 GOOD CADT HR2903 HISTORY - 19950710 GOOD CADT HR2903 HR2903 STATION DESCRIPTION HR2903 HR2903'DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 HR2903'THE STATION IS LOCATED ABOUT 4 MI (6.4 KM) SOUTHEAST OF EL PORTEL. HR2903'OWNERSHIP--YOSEMITE NATIONAL PARK, RESEARCH CENTER, EL PORTEL CA, A HR2903'KEY TO THE LOCKED GATE IN THE TO REACH ROUTE CAN BE OBTAINED AT ANY HR2903'PARK RANGER STATION OR PHONE 209-327-0465. HR2903'TO REACH THE STATION FROM THE CHINQUAPIN RANGER STATION AT THE HR2903'JUNCTION OF STATE HIGHWAY 41 AND GLACIER POINT ROAD, GO SOUTH ON HR2903'HIGHWAY 41 FOR 0.4 MI (0.6 KM) TO YOSEMITE WEST PRIVATE DEVELOPMENT. HR2903'TURN RIGHT ON HENNESS RIDGE ROAD AND GO 0.8 MI (1.3 KM) TO A ROAD HR2903'INTERSECTION. TURN LEFT ON HENNESS CIRCLE AND GO 0.25 MI (0.40 KM) HR2903'TO A T-INTERSECTION. TURN LEFT AND GO ABOUT 200 FT (61.0 M) TO THE HR2903'INTERSECTION OF DOGWOOD LANE ON THE LEFT. CONTINUE RIGHT AND GO HR2903'ABOUT 100 FT (30.5 M) TO A ROAD INTERSECTION. TURN LEFT AND GO HR2903'ABOUT 300 FT (91.4 M) TO THE END OF PAVEMENT. CONTINUE ABOUT 150 FT HR2903'(45.7 M) TO A LOCKED GATE. CONTINUE ABOUT 50 FT (15.2 M) TO A ROAD HR2903'FORK. TAKE THE RIGHT FORK AND GO 0.8 MI (1.3 KM) TO AN ABANDONED HR2903'LOOKOUT TOWER AND A ROAD FORK. TAKE THE RIGHT FORK AND GO ABOUT 170 HR2903'FT (51.8 M) TO A HELICOPTER PAD AND THE STATION ON THE LEFT. HR2903'THE STATION IS A 3.5 IN DIAMETER CADT BRASS DISK EPOXIED IN A DRILL HR2903'HOLE IN BEDROCK, FLUSH WITH THE GROUND. LOCATED 184 FT (56.1 M) HR2903'SOUTHWEST OF THE SOUTHWEST CORNER OF THE ABONDONED LOOKOUT TOWER, 12.8 HR2903'FT (3.9 M) WEST OF A FIBERGLASS WITNESS POST AND 10.5 FT (3.2 M) HR2903'EAST OF THE SOUTHEAST CORNER OF AN ASPHALT HELICOPTER PAD. HR2903 HR2903 STATION RECOVERY (1993) HR2903 HR2903'RECOVERY NOTE BY CALTRANS 1993 (PDG) HR2903'THE STATION WAS RECOVERED WITH THE FOLLOWING CHANGES. THE CORRECT HR2903'PHONE NUMBER FOR THE RESEARCH CENTER IS (209) 372-0465. THE ACCESS HR2903'ROAD AT HENNESS CIRCLE CAN BE IMPASSABLE DUE TO SNOW DURING THE HR2903'WINTER. FOR SNOW DEPTH INFORMATION CONTACT WAWONA DISTRICT OFFICE AT HR2903'(209) 372-0403 OR WAWONA ROADS AT (209) 372-O579. HR2903 HR2903 STATION RECOVERY (1995) HR2903 HR2903'RECOVERY NOTE BY CALTRANS 1995 (RGD) HR2903'RECOVERED AS DESCRIBED.