National Geodetic Survey, Retrieval Date = AUGUST 19, 2002 LT0502 *********************************************************************** LT0502 DESIGNATION - BLACK MOUNTAIN LOOKOUT 1949 LT0502 PID - LT0502 LT0502 STATE/COUNTY- CA/LASSEN LT0502 USGS QUAD - FERRIS CREEK (1994) LT0502 LT0502 *CURRENT SURVEY CONTROL LT0502 ___________________________________________________________________ LT0502* NAD 83(1992)- 40 06 52.78648(N) 120 19 16.50029(W) ADJUSTED LT0502* NAVD 88 - 2155. (meters) 7070. (feet) SCALED LT0502 ___________________________________________________________________ LT0502 EPOCH DATE - 1991.35 LT0502 LAPLACE CORR- -3.33 (seconds) DEFLEC99 LT0502 GEOID HEIGHT- -23.11 (meters) GEOID99 LT0502 LT0502 HORZ ORDER - SECOND LT0502 LT0502.The horizontal coordinates were established by classical geodetic methods LT0502.and adjusted by the National Geodetic Survey in March 1994. LT0502.The horizontal coordinates are valid at the epoch date displayed above. LT0502.The epoch date for horizontal control is a decimal equivalence LT0502.of Year/Month/Day. LT0502 LT0502.The orthometric height was scaled from a topographic map. LT0502 LT0502.The Laplace correction was computed from DEFLEC99 derived deflections. LT0502 LT0502.The geoid height was determined by GEOID99. LT0502 LT0502; North East Units Scale Converg. LT0502;SPC CA 1 - 588,129.045 2,143,102.258 MT 0.99997310 +1 05 51.7 LT0502;SPC CA 1 - 1,929,553.38 7,031,161.32 sFT 0.99997310 +1 05 51.7 LT0502;UTM 10 - 4,443,923.645 728,288.651 MT 1.00024161 +1 43 36.2 LT0502 LT0502 SUPERSEDED SURVEY CONTROL LT0502 LT0502 NAD 83(1986)- 40 06 52.79524(N) 120 19 16.49160(W) AD(1984.00) 2 LT0502 NAD 27 - 40 06 53.15300(N) 120 19 12.72600(W) AD( ) 2 LT0502 LT0502.Superseded values are not recommended for survey control. LT0502.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0502.See file dsdata.txt to determine how the superseded data were derived. LT0502 LT0502 HISTORY - Date Condition Report By LT0502 HISTORY - 1949 MONUMENTED CGS LT0502 LT0502 STATION DESCRIPTION LT0502 LT0502'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 LT0502'SEE STATION BLACK MOUNTAIN