National Geodetic Survey, Retrieval Date = SEPTEMBER 23, 2002 LU2217 *********************************************************************** LU2217 DESIGNATION - GROUSE MTN LOOKOUT TOWER LU2217 PID - LU2217 LU2217 STATE/COUNTY- CA/HUMBOLDT LU2217 USGS QUAD - GROUSE MTN (1979) LU2217 LU2217 *CURRENT SURVEY CONTROL LU2217 ___________________________________________________________________ LU2217* NAD 83(1992)- 40 45 32.67160(N) 123 40 21.39577(W) ADJUSTED LU2217* NAVD 88 - LU2217 ___________________________________________________________________ LU2217 EPOCH DATE - 1991.35 LU2217 LAPLACE CORR- 6.82 (seconds) DEFLEC99 LU2217 GEOID HEIGHT- -28.02 (meters) GEOID99 LU2217 LU2217 HORZ ORDER - THIRD LU2217 LU2217.The horizontal coordinates were established by classical geodetic methods LU2217.and adjusted by the National Geodetic Survey in March 1994. LU2217.The horizontal coordinates are valid at the epoch date displayed above. LU2217.The epoch date for horizontal control is a decimal equivalence LU2217.of Year/Month/Day. LU2217 LU2217 LU2217.The Laplace correction was computed from DEFLEC99 derived deflections. LU2217 LU2217.The geoid height was determined by GEOID99. LU2217 LU2217; North East Units Scale Converg. LU2217;SPC CA 1 - 659,658.081 1,858,786.814 MT 0.99989551 -1 05 37.3 LU2217;SPC CA 1 - 2,164,228.22 6,098,369.74 sFT 0.99989551 -1 05 37.3 LU2217;UTM 10 - 4,512,230.281 443,226.803 MT 0.99963967 -0 26 20.9 LU2217 LU2217 SUPERSEDED SURVEY CONTROL LU2217 LU2217 NAD 83(1986)- 40 45 32.65368(N) 123 40 21.40804(W) AD(1984.00) 4 LU2217 NAD 27 - 40 45 33.16200(N) 123 40 17.24600(W) AD( ) 3 LU2217 LU2217.Superseded values are not recommended for survey control. LU2217.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2217.See file dsdata.txt to determine how the superseded data were derived. LU2217 LU2217 HISTORY - Date Condition Report By LU2217 HISTORY - UNK MONUMENTED LU2217 HISTORY - 1961 SEE DESCRIPTION CGS LU2217 LU2217 STATION DESCRIPTION LU2217 LU2217'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2217'THE STATION IS ABOUT 13-1/2 MILES SOUTH OF WILLOW CREEK, 23-1/2 LU2217'MILES WEST OF BIG BAR, 21 MILES EAST OF GARFIELD AND 8-1/2 LU2217'MILES SOUTHWEST OF BURNT RANCH. IT IS THE DETERMINED CENTER LU2217'OF THE BASE OF THE LOOKOUT TOWER. IT IS A 14 X 14 FOOT CABIN, LU2217'SUPPORTED BY FOUR STEEL LEGS, WITH AN OVERALL HEIGHT OF 40 LU2217'FEET AND PAINTED WHITE. LU2217' LU2217'A TRAVERSE CONNECTION WAS MADE TO TRIANGULATION STATION GROUSE LU2217'MTN, THE DISTANCE BEING 17.51 FEET OR 5.338 METERS EAST-SOUTHEAST.