National Geodetic Survey, Retrieval Date = SEPTEMBER 19, 2002 MX0995 *********************************************************************** MX0995 DESIGNATION - HERD LOOKOUT HOUSE 1952 MX0995 PID - MX0995 MX0995 STATE/COUNTY- CA/SISKIYOU MX0995 USGS QUAD - GRASS LAKE (1986) MX0995 MX0995 *CURRENT SURVEY CONTROL MX0995 ___________________________________________________________________ MX0995* NAD 83(1992)- 41 37 41.49285(N) 122 13 53.18623(W) ADJUSTED MX0995* NAVD 88 - 2156. (meters) 7073. (feet) SCALED MX0995 ___________________________________________________________________ MX0995 EPOCH DATE - 1991.35 MX0995 LAPLACE CORR- 5.59 (seconds) DEFLEC99 MX0995 GEOID HEIGHT- -23.48 (meters) GEOID99 MX0995 MX0995 HORZ ORDER - THIRD MX0995 MX0995.The horizontal coordinates were established by classical geodetic methods MX0995.and adjusted by the National Geodetic Survey in March 1994. MX0995.The horizontal coordinates are valid at the epoch date displayed above. MX0995.The epoch date for horizontal control is a decimal equivalence MX0995.of Year/Month/Day. MX0995 MX0995.The orthometric height was scaled from a topographic map. MX0995 MX0995.The Laplace correction was computed from DEFLEC99 derived deflections. MX0995 MX0995.The geoid height was determined by GEOID99. MX0995 MX0995; North East Units Scale Converg. MX0995;SPC CA 1 - 754,850.473 1,980,713.958 MT 0.99999046 -0 09 04.8 MX0995;SPC CA 1 - 2,476,538.59 6,498,392.38 sFT 0.99999046 -0 09 04.8 MX0995;UTM 10 - 4,608,781.442 564,019.666 MT 0.99965044 +0 30 38.0 MX0995 MX0995 SUPERSEDED SURVEY CONTROL MX0995 MX0995 NAD 83(1986)- 41 37 41.49012(N) 122 13 53.19200(W) AD(1984.00) 4 MX0995 NAD 27 - 41 37 41.95200(N) 122 13 49.14300(W) AD( ) 3 MX0995 MX0995.Superseded values are not recommended for survey control. MX0995.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX0995.See file dsdata.txt to determine how the superseded data were derived. MX0995 MX0995 HISTORY - Date Condition Report By MX0995 HISTORY - 1952 MONUMENTED CGS MX0995 HISTORY - 1975 SEE DESCRIPTION NGS MX0995 MX0995 STATION DESCRIPTION MX0995 MX0995'DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) MX0995'THE STATION IS LOCATED ABOUT 14 MILES AIRLINE NORTHEAST OF MX0995'WEED, AND 3 MILES SOUTHWEST OF THE GRASS LAKE RAILROAD SIDING, MX0995'ON THE HIGH SOUTHWESTERN PART OF HERD MOUNTAIN. MX0995' MX0995'THE LOOKOUT HOUSE IS A STANDARD FOREST SERVICE 14 X 14 FEET MX0995'SQUARE SINGLE STORY LOOKOUT HOUSE ABOUT 15 FEET HIGH. IT IS MX0995'26.576 FEET, 8.100 METERS EAST OF STATION HERD. THE CENTER MX0995'OF THE HOUSE WAS INTERSECTED. MX0995 MX0995 STATION RECOVERY (1975) MX0995 MX0995'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (CLN) MX0995'THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1952 MX0995'DESCRIPTION IS ADEQUATE. MX0995' MX0995'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN MX0995'14 MILES NNE OF WEED.