National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2004 HR2880 *********************************************************************** HR2880 DESIGNATION - HENNESS RIDGE LOH HR2880 PID - HR2880 HR2880 STATE/COUNTY- CA/MARIPOSA HR2880 USGS QUAD - EL CAPITAN (1992) HR2880 HR2880 *CURRENT SURVEY CONTROL HR2880 ___________________________________________________________________ HR2880* NAD 83(1992)- 37 38 20.13912(N) 119 43 17.98391(W) ADJUSTED HR2880* NAVD 88 - 1933.6 (meters) 6344. (feet) VERTCON HR2880 ___________________________________________________________________ HR2880 EPOCH DATE - 1991.35 HR2880 LAPLACE CORR- 17.35 (seconds) DEFLEC99 HR2880 GEOID HEIGHT- -26.77 (meters) GEOID03 HR2880 HR2880 HORZ ORDER - THIRD HR2880 HR2880.The horizontal coordinates were established by classical geodetic methods HR2880.and adjusted by the National Geodetic Survey in March 1994. HR2880.The horizontal coordinates are valid at the epoch date displayed above. HR2880.The epoch date for horizontal control is a decimal equivalence HR2880.of Year/Month/Day. HR2880 HR2880.The NAVD 88 height was computed by applying the VERTCON shift value to HR2880.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HR2880 HR2880.The Laplace correction was computed from DEFLEC99 derived deflections. HR2880 HR2880.The geoid height was determined by GEOID03. HR2880 HR2880; North East Units Scale Factor Converg. HR2880;SPC CA 3 - 626,684.620 2,068,691.624 MT 0.99993109 +0 28 35.5 HR2880;SPC CA 3 - 2,056,047.79 6,787,032.44 sFT 0.99993109 +0 28 35.5 HR2880;UTM 11 - 4,169,239.138 259,855.323 MT 1.00031039 -1 39 46.3 HR2880 HR2880! - Elev Factor x Scale Factor = Combined Factor HR2880!SPC CA 3 - 0.99970087 x 0.99993109 = 0.99963198 HR2880!UTM 11 - 0.99970087 x 1.00031039 = 1.00001117 HR2880 HR2880|---------------------------------------------------------------------| HR2880| PID Reference Object Distance Geod. Az | HR2880| dddmmss.s | HR2880| CS5586 HENNESS RIDGE LOH RM 2 20.090 METERS 04802 | HR2880| CS5587 HENNESS RIDGE LOH RM 1 14.590 METERS 19044 | HR2880|---------------------------------------------------------------------| HR2880 HR2880 SUPERSEDED SURVEY CONTROL HR2880 HR2880 NAD 83(1986)- 37 38 20.11391(N) 119 43 18.02259(W) AD(1984.00) 3 HR2880 NGVD 29 (03/15/91) 1932.6 (m) 6341. (f) VERT ANG HR2880 HR2880.Superseded values are not recommended for survey control. HR2880.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HR2880.See file dsdata.txt to determine how the superseded data were derived. HR2880 HR2880_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SKB5985569239(NAD 83) HR2880_MARKER: 73 = LOOKOUT HOUSE HR2880 HR2880 HISTORY - Date Condition Report By HR2880 HISTORY - 1945 FIRST OBSERVED USGS HR2880 HISTORY - 1956 GOOD USGS HR2880 HR2880 STATION DESCRIPTION HR2880 HR2880'DESCRIBED BY US GEOLOGICAL SURVEY 1945 HR2880'LOCATED ABOUT 2 MI S. AND 4 MI E. OF EL PORTAL, ON HENNESS RIDGE. HR2880' HR2880'TO REACH FROM MARIPOSA, TAKE STATE HWY. 140 INTO YOSEMITE PARK HR2880'NEAR LOWER END OF YOSEMITE VALLEY. TURN RIGHT ONTO WAWONA RD. AND HR2880'GO TO CHINQUAPIN RANGER STATION. GO 0.5 MI PAST RANGER STATION HR2880'AND TURN RIGHT ONTO RD. TO HENNESS RIDGE LO. GO 1.7 MI TO LO AND HR2880'STATION. HR2880' HR2880'STATION MARK--CENTER OF NATIONAL PARK SERVICE LOH. HR2880' HR2880'RM 1--STANDARD RM TABLET STAMPED---HENNESS NO 1 1945---, CEMENTED HR2880'IN LARGE GRANITE ROCK. HR2880' HR2880'RM 2--STANDARD RM TABLET STAMPED---HENNESS NO 2 1945---, CEMENTED HR2880'IN LARGE GRANITE BOULDER. HR2880 HR2880 STATION RECOVERY (1956) HR2880 HR2880'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1956 HR2880'RECOVERED AS DESCRIBED BY USGS EXCEPT RMS ARE HR2880'STAMPED---HENNESS RIDGE NO 1 1945---AND HENNESS RIDGE NO 2 1945.