National Geodetic Survey, Retrieval Date = SEPTEMBER 24, 2002 MX1064 *********************************************************************** MX1064 DESIGNATION - BILLYS PEAK LOOKOUT TOWER 1952 MX1064 PID - MX1064 MX1064 STATE/COUNTY- CA/TRINITY MX1064 USGS QUAD - CARRVILLE (1986) MX1064 MX1064 *CURRENT SURVEY CONTROL MX1064 ___________________________________________________________________ MX1064* NAD 83(1992)- 41 07 17.41985(N) 122 44 46.27812(W) ADJUSTED MX1064* NAVD 88 - 2218. (meters) 7277. (feet) SCALED MX1064 ___________________________________________________________________ MX1064 EPOCH DATE - 1991.35 MX1064 LAPLACE CORR- -4.30 (seconds) DEFLEC99 MX1064 GEOID HEIGHT- -24.29 (meters) GEOID99 MX1064 MX1064 HORZ ORDER - THIRD MX1064 MX1064.The horizontal coordinates were established by classical geodetic methods MX1064.and adjusted by the National Geodetic Survey in March 1994. MX1064.The horizontal coordinates are valid at the epoch date displayed above. MX1064.The epoch date for horizontal control is a decimal equivalence MX1064.of Year/Month/Day. MX1064 MX1064.The orthometric height was scaled from a topographic map. MX1064 MX1064.The Laplace correction was computed from DEFLEC99 derived deflections. MX1064 MX1064.The geoid height was determined by GEOID99. MX1064 MX1064; North East Units Scale Converg. MX1064;SPC CA 1 - 698,821.810 1,937,341.316 MT 0.99990710 -0 29 16.5 MX1064;SPC CA 1 - 2,292,717.89 6,356,093.97 sFT 0.99990710 -0 29 16.5 MX1064;UTM 10 - 4,552,276.506 521,306.708 MT 0.99960559 +0 10 00.9 MX1064 MX1064 SUPERSEDED SURVEY CONTROL MX1064 MX1064 NAD 83(1986)- 41 07 17.41003(N) 122 44 46.28198(W) AD(1984.00) 4 MX1064 NAD 27 - 41 07 17.88900(N) 122 44 42.19900(W) AD( ) 3 MX1064 MX1064.Superseded values are not recommended for survey control. MX1064.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX1064.See file dsdata.txt to determine how the superseded data were derived. MX1064 MX1064 HISTORY - Date Condition Report By MX1064 HISTORY - 1952 MONUMENTED CGS MX1064 HISTORY - 1961 SEE DESCRIPTION CGS MX1064 MX1064 STATION DESCRIPTION MX1064 MX1064'DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) MX1064'THE STATION IS LOCATED ABOUT 22 MILES AIRLINE WEST OF CASTELLA, MX1064'12 MILES AIRLINE SOUTH OF CALLAHAN, AND 9 MILES AIRLINE NORTH OF MX1064'TRINITY CENTER, ON THE EAST END OF BILLYS PEAK. MX1064' MX1064'THE LOOKOUT TOWER IS A STANDARD 14 X 14 FOOT U.S. FOREST SERVICE MX1064'LOOKOUT HOUSE SETTING ON TOP OF A 30 FOOT STEEL TOWER. THE TOP MX1064'OF THE HOUSE IS ABOUT 40 FEET ABOVE THE GROUND. THE CENTER MX1064'OF THE ROOF WAS INTERSECTED. THE STATION IS 103.74 FEET, MX1064'31.62 METERS EAST OF STATION BILLYS PK. MX1064 MX1064 STATION RECOVERY (1961) MX1064 MX1064'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (JCC) MX1064'STATION RECOVERED AS DESCRIBED BY WALTER R. HELM IN 1952.