1 National Geodetic Survey, Retrieval Date = MARCH 10, 2012 LV0344 *********************************************************************** LV0344 TIDAL BM - This is a Tidal Bench Mark. LV0344 DESIGNATION - W 1091 LV0344 PID - LV0344 LV0344 STATE/COUNTY- CA/HUMBOLDT LV0344 USGS QUAD - EUREKA (1972) LV0344 LV0344 *CURRENT SURVEY CONTROL LV0344 ___________________________________________________________________ LV0344* NAD 83(1986)- 40 51 51. (N) 124 09 11. (W) SCALED LV0344* NAVD 88 - 4.363 (meters) 14.31 (feet) ADJUSTED LV0344 ___________________________________________________________________ LV0344 GEOID HEIGHT- -30.53 (meters) GEOID09 LV0344 DYNAMIC HT - 4.362 (meters) 14.31 (feet) COMP LV0344 MODELED GRAV- 980,210.1 (mgal) NAVD 88 LV0344 LV0344 VERT ORDER - FIRST CLASS II LV0344 LV0344.The horizontal coordinates were scaled from a topographic map and have LV0344.an estimated accuracy of +/- 6 seconds. LV0344. LV0344.The orthometric height was determined by differential leveling and LV0344.adjusted in June 1991. LV0344 LV0344.This Tidal Bench Mark is designated as VM 8748 LV0344.by the CENTER FOR OPERATIONAL OCEANOGRAPHIC PRODUCTS AND SERVICES. LV0344 LV0344.The geoid height was determined by GEOID09. LV0344 LV0344.The dynamic height is computed by dividing the NAVD 88 LV0344.geopotential number by the normal gravity value computed on the LV0344.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 LV0344.degrees latitude (g = 980.6199 gals.). LV0344 LV0344.The modeled gravity was interpolated from observed gravity values. LV0344 LV0344; North East Units Estimated Accuracy LV0344;SPC CA 1 - 672,210. 1,818,520. MT (+/- 180 meters Scaled) LV0344 LV0344 SUPERSEDED SURVEY CONTROL LV0344 LV0344 NGVD 29 (12/02/92) 3.340 (m) 10.96 (f) ADJUSTED 1 2 LV0344 LV0344.Superseded values are not recommended for survey control. LV0344.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LV0344.See file dsdata.txt to determine how the superseded data were derived. LV0344 LV0344_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDL028243(NAD 83) LV0344 LV0344_MARKER: DB = BENCH MARK DISK LV0344_SETTING: 40 = SET IN A LARGE STRUCTURE WITH DEEP FOUNDATIONS LV0344_SP_SET: HIGHLINE TOWER FOUNDATION LV0344_STAMPING: W 1091 1967 LV0344_MARK LOGO: CGS LV0344_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD LV0344+STABILITY: POSITION/ELEVATION WELL LV0344 LV0344 HISTORY - Date Condition Report By LV0344 HISTORY - 1967 MONUMENTED CGS LV0344 HISTORY - 1981 GOOD CADT LV0344 HISTORY - 19880216 GOOD NGS LV0344 LV0344 STATION DESCRIPTION LV0344 LV0344'DESCRIBED BY COAST AND GEODETIC SURVEY 1967 LV0344'3.5 MI W FROM ARCATA. LV0344'3.5 MILES WEST ALONG SANOA ROAD FROM THE INTERSECTION OF H LV0344'STREET AT ARCATA, AT THE JUNCTION OF A GRAVELED ROAD NORTHWEST LV0344'TO A LUMBER YARD, AT THE FIRST STEEL TOWER OF A POWER LV0344'TRANSMISSION LINE SOUTHWEST OF A BRIDGE OVER MAD RIVER SLOUGH, LV0344'IN THE TOP OF THE CONCRETE BASE OF THE SOUTHWEST STEEL LEG OF LV0344'THE TOWER, 84 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, LV0344'39 FEET NORTHWEST OF THE NORTHWEST RAIL OF THE MAIN TRACK LV0344'OF NORTHWESTERN PACIFIC RAILROAD, 24 FEET NORTHEAST OF THE LV0344'CENTER LINE OF THE GRAVELED ROAD, AND ABOUT 3 FEET HIGHER THAN LV0344'THE ROAD. LV0344 LV0344 STATION RECOVERY (1981) LV0344 LV0344'RECOVERY NOTE BY CALTRANS 1981 LV0344'RECOVERED IN GOOD CONDITION. LV0344 LV0344 STATION RECOVERY (1988) LV0344 LV0344'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 LV0344'RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 6.3 KM (3.90 LV0344'MI) SOUTHWESTERLY ALONG STATE HIGHWAY 255 FROM THE JUNCTION OF U.S. LV0344'HIGHWAY 101 IN ARCATA.