National Geodetic Survey, Retrieval Date = FEBRUARY 4, 2006 PB0716 *********************************************************************** PB0716 DESIGNATION - RODMAN ROCK LOT PB0716 PID - PB0716 PB0716 STATE/COUNTY- OR/LAKE PB0716 USGS QUAD - RODMAN ROCK (1968) PB0716 PB0716 *CURRENT SURVEY CONTROL PB0716 ___________________________________________________________________ PB0716* NAD 83(1991)- 43 00 36.31236(N) 121 17 12.37329(W) ADJUSTED PB0716* NAVD 88 - 2060. (meters) 6759. (feet) SCALED PB0716 ___________________________________________________________________ PB0716 LAPLACE CORR- 0.56 (seconds) DEFLEC99 PB0716 GEOID HEIGHT- -20.86 (meters) GEOID03 PB0716 PB0716 HORZ ORDER - THIRD PB0716 PB0716.The horizontal coordinates were established by classical geodetic methods PB0716.and adjusted by the National Geodetic Survey in October 1991. PB0716 PB0716.The orthometric height was scaled from a topographic map. PB0716 PB0716.The Laplace correction was computed from DEFLEC99 derived deflections. PB0716 PB0716.The geoid height was determined by GEOID03. PB0716 PB0716; North East Units Scale Factor Converg. PB0716;SPC OR S - 149,531.360 1,435,863.938 MT 0.99989842 -0 32 17.8 PB0716;SPC OR S - 490,588.45 4,710,839.69 iFT 0.99989842 -0 32 17.8 PB0716;UTM 10 - 4,763,359.036 639,621.161 MT 0.99983982 +1 10 07.8 PB0716 PB0716! - Elev Factor x Scale Factor = Combined Factor PB0716!SPC OR S - 0.99968026 x 0.99989842 = 0.99957872 PB0716!UTM 10 - 0.99968026 x 0.99983982 = 0.99952013 PB0716 PB0716 SUPERSEDED SURVEY CONTROL PB0716 PB0716 NAD 83(1986)- 43 00 36.31667(N) 121 17 12.38444(W) AD( ) 4 PB0716 NAD 27 - 43 00 36.82900(N) 121 17 08.34700(W) AD( ) 3 PB0716 PB0716.Superseded values are not recommended for survey control. PB0716.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. PB0716.See file dsdata.txt to determine how the superseded data were derived. PB0716 PB0716_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFN3962163359(NAD 83) PB0716 PB0716 HISTORY - Date Condition Report By PB0716 HISTORY - 1935 MONUMENTED USFS PB0716 HISTORY - 1953 SEE DESCRIPTION CGS PB0716 PB0716 STATION DESCRIPTION PB0716 PB0716'DESCRIBED BY US FOREST SERVICE 1935 (NS) PB0716'STATION IS CENTER OF LOW LOOKOUT TOWER ON RODMAN ROCK, SITUATED PB0716'ABOUT 12 MILES AIR LINE SW OF SILVER LAKE TOWN. FOREST ROADS LEAD PB0716'FROM SILVER LAKE TO WITHIN 5 MINUTES WALK OF STATION. REFERENCE PB0716'MARK CONSISTS OF U.S.F.S. DISK STAMPED RODMAN ROCK 1935 SET IN PB0716'BEDROCK, 19.445 METERS (63.80 FEET) SE OF STATION IN AZIMUTH PB0716'302 DEG 26 MIN. PB0716 PB0716 STATION RECOVERY (1953) PB0716 PB0716'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1953 (HSC) PB0716'THE STATION IS THE APEX OF THE LOOKOUT TOWER ON THE SUMMIT OF PB0716'RODMAN ROCK ABOUT 17 MILES SOUTHWEST OF SILVER LAKE. IT IS A 9 PB0716'LEGGED WOODEN STRUCTURE WITH A STANDARD 14 X 14 FOOT OBSERVING PB0716'CAB ON TOP. THE TOWER IS 25 FEET HIGH AND IS MANNED FROM THE PB0716'SILVER LAKE GUARD STATION. INQUIRE AT THE SILVER LAKE RANGER PB0716'STATION FOR THE BEST METHOD TO REACH THE STATION. PB0716' PB0716'A TRAVERSE CONNECTION WAS MADE TO THE CENTER OF THE BASE OF THE PB0716'LOOKOUT TOWER FROM TRIANGULATION STATION RODMAN AND THE DISTANCE PB0716'IS 82.185 FEET, (25.050 METERS).