National Geodetic Survey, Retrieval Date = SEPTEMBER 22, 2002 LU2161 *********************************************************************** LU2161 DESIGNATION - IRONSIDE LU2161 PID - LU2161 LU2161 STATE/COUNTY- CA/TRINITY LU2161 USGS QUAD - IRONSIDE MTN (1982) LU2161 LU2161 *CURRENT SURVEY CONTROL LU2161 ___________________________________________________________________ LU2161* NAD 83(1992)- 40 49 57.36628(N) 123 27 04.49109(W) ADJUSTED LU2161* NAVD 88 - 1603.5 (meters) 5261. (feet) VERTCON LU2161 ___________________________________________________________________ LU2161 EPOCH DATE - 1991.35 LU2161 LAPLACE CORR- 14.29 (seconds) DEFLEC99 LU2161 GEOID HEIGHT- -27.31 (meters) GEOID99 LU2161 LU2161 HORZ ORDER - SECOND LU2161 LU2161.The horizontal coordinates were established by classical geodetic methods LU2161.and adjusted by the National Geodetic Survey in March 1994. LU2161.The horizontal coordinates are valid at the epoch date displayed above. LU2161.The epoch date for horizontal control is a decimal equivalence LU2161.of Year/Month/Day. LU2161 LU2161.The NAVD 88 height was computed by applying the VERTCON shift value to LU2161.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2161 LU2161.The Laplace correction was computed from DEFLEC99 derived deflections. LU2161 LU2161.The geoid height was determined by GEOID99. LU2161 LU2161; North East Units Scale Converg. LU2161;SPC CA 1 - 667,488.056 1,877,609.118 MT 0.99989464 -0 56 56.2 LU2161;SPC CA 1 - 2,189,917.06 6,160,122.58 sFT 0.99989464 -0 56 56.2 LU2161;UTM 10 - 4,520,272.501 461,953.481 MT 0.99961782 -0 17 42.2 LU2161 LU2161: Primary Azimuth Mark Grid Az LU2161:SPC CA 1 - HAYFORK BALLY 135 22 40.7 LU2161:UTM 10 - HAYFORK BALLY 134 43 26.7 LU2161 LU2161|---------------------------------------------------------------------| LU2161| PID Reference Object Distance Geod. Az | LU2161| dddmmss.s | LU2161| DB5254 IRONSIDE RM 1 4.326 METERS 10129 | LU2161| LU2135 HAYFORK BALLY APPROX.27.5 KM 1342544.5 | LU2161| LU2163 IRONSIDES CADWR 1961 1.551 METERS 21937 | LU2161| LU2160 IRONSIDE MTN LOOKOUT HOUSE 15.585 METERS 29440 | LU2161| DB5255 IRONSIDE RM 2 8.290 METERS 32652 | LU2161| LU2162 IRONSIDES USGS 1961 2.528 METERS 35220 | LU2161|---------------------------------------------------------------------| LU2161 LU2161 SUPERSEDED SURVEY CONTROL LU2161 LU2161 NAD 83(1986)- 40 49 57.35330(N) 123 27 04.50251(W) AD(1984.00) 2 LU2161 NAD 27 - 40 49 57.85960(N) 123 27 00.34710(W) AD( ) 2 LU2161 NGVD 29 - 1602.5 (m) 5258. (f) VERT ANG LU2161 LU2161.Superseded values are not recommended for survey control. LU2161.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2161.See file dsdata.txt to determine how the superseded data were derived. LU2161 LU2161_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION LU2161_SETTING: 66 = SET IN ROCK OUTCROP LU2161 LU2161 HISTORY - Date Condition Report By LU2161 HISTORY - 1961 MONUMENTED CGS LU2161 LU2161 STATION DESCRIPTION LU2161 LU2161'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2161'THE STATION IS ABOUT 12 MILES SOUTHEAST OF WILLOW CREEK, 2 MILES LU2161'EAST OF BURNT RANCH, 6 MILES NORTHWEST OF DEL LOMA, ON THE LU2161'SUMMIT OF IRONSIDE MOUNTAIN WHICH IS OCCUPIED BY THE IRONSIDE LU2161'LOOKOUT. LU2161' LU2161'TO REACH THE STATION FROM THE DEL LOMA LODGE IN DEL LOMA, GO LU2161'WEST ON U.S. HIGHWAY 299 FOR 2.0 MILES TO A SIDE ROAD ON THE LU2161'RIGHT AT A SIGN BIG MOUNTAIN ROAD. TURN RIGHT AND GO UP GRADE LU2161'FOR 7.15 MILES TO A SIDE ROAD ON THE LEFT AT A SIGN IRONSIDE L O LU2161'5 MILES. TURN LEFT UP STEEP GRADE AND FOLLOW FOREST SERVICE LU2161'ROAD FOR 5.25 MILES TO THE SUMMIT AND AND THE STATION. LU2161' LU2161'THE STATION MARK IS A STANDARD DISK STAMPED IRONSIDE 1961, LU2161'CEMENTED IN A DRILL HOLE IN A 3-1/2 BY 2 FOOT ROCK OUTCROP LU2161'THAT PROJECTS ABOUT 14 INCHES. IT IS 5.4 FEET NORTH-NORTHWEST LU2161'OF THE NORTHWEST CORNER OF A SMALL SUPPLY SHED. LU2161' LU2161'REFERENCE MARK 1 IS A STANDARD DISK STAMPED IRONSIDES NO 1 LU2161'(USGS) 1953, CEMENTED IN A DRILL HOLE IN A 3 BY 4 FOOT ROCK LU2161'OUTCROP PROJECTING ABOUT 3 FEET. IT IS 2-1/2 FEET EAST OF THE LU2161'SOUTHEAST CORNER OF THE SMALL SUPPLY BUILDING AND AT ABOUT THE LU2161'SAME ELEVATION AS THE STATION. LU2161' LU2161'REFERENCE MARK 2 IS A STANDARD DISK STAMPED IRONSIDES NO 2 LU2161'(USGS) 1953 CEMENTED IN A DRILL HOLE AT THE EAST EDGE OF A 4 LU2161'BY 4 FOOT CONCRETE FOUNDATION SUPPORTING A WATER TANK. IT IS LU2161'ABOUT 2 FEET LOWER THAN THE STATION. LU2161' LU2161'IRONSIDES (DWR) IS A COPPER PLUG PLACED IN THE TOP OF A GALAVANIZED LU2161'PIPE 1 INCH IN DIAMETER AND PROJECTING 1 FOOT. THE PLUG IS LU2161'STAMPED IRONSIDES 30 JUNE 1959. THIS MARK IS NOT SOLIDLY PLACED LU2161'IN THE GROUND. LU2161' LU2161'IRONSIDES (USGS) IS A BRONZE DISK OF THE UNITED STATES GEOLOGICAL LU2161'SURVEY CEMENTED IN A DRILL HOLE IN A BOULDER ABOUT 4 FEET IN LU2161'DIAMETER AND PROJECTING 2 FEET. THE DISK IS STAMPED IRONSIDES LU2161'1932. LU2161' LU2161'NO SUITABLE LOCATION FOR AN AZIMUTH MARK.