National Geodetic Survey, Retrieval Date = SEPTEMBER 16, 2002 LT0797 *********************************************************************** LT0797 DESIGNATION - HOGBACK LOOKOUT HOUSE LT0797 PID - LT0797 LT0797 STATE/COUNTY- CA/SHASTA LT0797 USGS QUAD - ROARING CREEK (1990) LT0797 LT0797 *CURRENT SURVEY CONTROL LT0797 ___________________________________________________________________ LT0797* NAD 83(1992)- 40 53 00.45453(N) 121 59 54.49220(W) ADJUSTED LT0797* NAVD 88 - LT0797 ___________________________________________________________________ LT0797 EPOCH DATE - 1991.35 LT0797 LAPLACE CORR- 6.11 (seconds) DEFLEC99 LT0797 GEOID HEIGHT- -25.59 (meters) GEOID99 LT0797 LT0797 HORZ ORDER - THIRD LT0797 LT0797.The horizontal coordinates were established by classical geodetic methods LT0797.and adjusted by the National Geodetic Survey in March 1994. LT0797.The horizontal coordinates are valid at the epoch date displayed above. LT0797.The epoch date for horizontal control is a decimal equivalence LT0797.of Year/Month/Day. LT0797 LT0797 LT0797.The Laplace correction was computed from DEFLEC99 derived deflections. LT0797 LT0797.The geoid height was determined by GEOID99. LT0797 LT0797; North East Units Scale Converg. LT0797;SPC CA 1 - 672,121.727 2,000,128.935 MT 0.99989499 +0 00 03.6 LT0797;SPC CA 1 - 2,205,119.37 6,562,089.68 sFT 0.99989499 +0 00 03.6 LT0797;UTM 10 - 4,526,302.821 584,379.013 MT 0.99968763 +0 39 20.0 LT0797 LT0797 SUPERSEDED SURVEY CONTROL LT0797 LT0797 NAD 83(1986)- 40 53 00.45794(N) 121 59 54.49768(W) AD(1984.00) 4 LT0797 NAD 27 - 40 53 00.90900(N) 121 59 50.49800(W) AD( ) 3 LT0797 LT0797.Superseded values are not recommended for survey control. LT0797.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0797.See file dsdata.txt to determine how the superseded data were derived. LT0797 LT0797 HISTORY - Date Condition Report By LT0797 HISTORY - 1953 MONUMENTED CGS LT0797 HISTORY - 1972 SEE DESCRIPTION USFS LT0797 LT0797 STATION DESCRIPTION LT0797 LT0797'DESCRIBED BY COAST AND GEODETIC SURVEY 1953 (RAG) LT0797'THE STATION IS THE TOP AND CENTER OF THE FOREST SERVICE LOOKOUT LT0797'HOUSE ON THE SUMMIT OF HOGBACK MOUNTAIN. ABOUT 5 MILES NORTHWEST LT0797'OF THE VILLAGE OF HILLCREST AND ABOUT 8 MILES (AIRLINE) NORTH LT0797'OF THE VILLAGE OF ROUND MOUNTAIN. LT0797' LT0797'THE LOOKOUT HOUSE IS A WOODEN STRUCTURE ABOUT 15 FEET SQUARE LT0797'AND ABOUT 25 FEET IN HEIGHT. LT0797' LT0797'THE APEX OF THE ROOF WAS INTERSECTED. LT0797 LT0797 STATION RECOVERY (1972) LT0797 LT0797'RECOVERY NOTE BY US FOREST SERVICE 1972 LT0797'LETTER OF B. WILLIAMS, SHASTA LAKE RANGER DIST., REDDING. CALIF. LT0797'7/17/72-- LT0797' LT0797'THE LOOKOUT HOUSE HAS BEEN REMOVED AND A TRAVEL TRAILER WITH LT0797'CAB HAS BEEN STATIONED IN ITS APPROXIMATE POSITION. AN ELECTRONIC LT0797'FACILITY HAS BEEN ESTABLISHED ABOUT 200 FEET SOUTH.