National Geodetic Survey, Retrieval Date = SEPTEMBER 23, 2002 LU2237 *********************************************************************** LU2237 DESIGNATION - IAQUA LU2237 PID - LU2237 LU2237 STATE/COUNTY- CA/HUMBOLDT LU2237 USGS QUAD - IAQUA BUTTES (1979) LU2237 LU2237 *CURRENT SURVEY CONTROL LU2237 ___________________________________________________________________ LU2237* NAD 83(1992)- 40 40 08.68613(N) 123 52 57.71078(W) ADJUSTED LU2237* NAVD 88 - 1137. (meters) 3730. (feet) SCALED LU2237 ___________________________________________________________________ LU2237 EPOCH DATE - 1991.35 LU2237 LAPLACE CORR- 6.32 (seconds) DEFLEC99 LU2237 GEOID HEIGHT- -29.24 (meters) GEOID99 LU2237 LU2237 HORZ ORDER - SECOND LU2237 LU2237.The horizontal coordinates were established by classical geodetic methods LU2237.and adjusted by the National Geodetic Survey in March 1994. LU2237.The horizontal coordinates are valid at the epoch date displayed above. LU2237.The epoch date for horizontal control is a decimal equivalence LU2237.of Year/Month/Day. LU2237 LU2237.The orthometric height was scaled from a topographic map. LU2237 LU2237.The Laplace correction was computed from DEFLEC99 derived deflections. LU2237 LU2237.The geoid height was determined by GEOID99. LU2237 LU2237; North East Units Scale Converg. LU2237;SPC CA 1 - 650,027.345 1,840,837.673 MT 0.99989881 -1 13 51.8 LU2237;SPC CA 1 - 2,132,631.38 6,039,481.60 sFT 0.99989881 -1 13 51.8 LU2237;UTM 10 - 4,502,397.341 425,393.297 MT 0.99966851 -0 34 31.0 LU2237 LU2237: Primary Azimuth Mark Grid Az LU2237:SPC CA 1 - IAQUA AZ MK 210 02 46.2 LU2237:UTM 10 - IAQUA AZ MK 209 23 25.4 LU2237 LU2237|---------------------------------------------------------------------| LU2237| PID Reference Object Distance Geod. Az | LU2237| dddmmss.s | LU2237| LU2236 IAQUA 1941 RM 2 USGS 3.264 METERS 00844 | LU2237| DB5235 IAQUA RM 1 4.745 METERS 08700 | LU2237| DB5234 IAQUA AZ MK 2084854.4 | LU2237|---------------------------------------------------------------------| LU2237 LU2237 SUPERSEDED SURVEY CONTROL LU2237 LU2237 NAD 83(1986)- 40 40 08.66552(N) 123 52 57.72669(W) AD(1984.00) 2 LU2237 NAD 27 - 40 40 09.17880(N) 123 52 53.55000(W) AD( ) 2 LU2237 LU2237.Superseded values are not recommended for survey control. LU2237.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2237.See file dsdata.txt to determine how the superseded data were derived. LU2237 LU2237_MARKER: Z = SEE DESCRIPTION LU2237_SETTING: 0 = UNSPECIFIED SETTING LU2237 LU2237 HISTORY - Date Condition Report By LU2237 HISTORY - 1941 MONUMENTED CGS LU2237 HISTORY - 1961 SEE DESCRIPTION CGS LU2237 HISTORY - 1978 GOOD CADT LU2237 LU2237 STATION DESCRIPTION LU2237 LU2237'DESCRIBED BY COAST AND GEODETIC SURVEY 1941 (DHK) LU2237'STATION IS ON THE TOP OF A PROMINENT, ROCKY, WOODED PEAK LYING LU2237'ABOUT 17 MILES SE OF EUREKA AND ABOUT 15 MILES NE OF FORTUNA, LU2237'ON THE HIGHEST OF THE IAQUA BUTTES, NEAR THE IAQUA FIRE LOOKOUT LU2237'TOWER. LU2237' LU2237'THE STATION MARK IS A STANDARD DISK BRAZED TO THE TOP OF A LU2237'3-INCH IRON PIPE PROJECTING 6 INCHES, STAMPED IAQUA 1941, 2.94 LU2237'FEET NW OF NW CORNER OF LOOKOUT TOWER. LU2237' LU2237'THERE IS NO UNDERGROUND MARK. LU2237' LU2237'REFERENCE MARK NO. 1 IS A STANDARD DISK STAMPED, IAQUA NO. 1 LU2237'1941, SET IN ROCK OUTCROP ON THE NE SIDE OF THE PEAK, 3.6 FEET LU2237'N OF NE CORNER OF LOOKOUT TOWER, ABOUT 1 FOOT BELOW STATION LU2237'LEVEL. LU2237' LU2237'REFERENCE MARK NO. 2 (U.S.G.S. NO DATE), STAMPED MARK NO. 2, LU2237'IS A STANDARD U.S.G.S. REFERENCE DISK SET IN DRILL HOLE IN LU2237'OUTCROPPING BEDROCK ON NW SIDE OF PEAK, 13.1 FEET N ON NW CORNER LU2237'OF LOOKOUT TOWER, ABOUT 1.5 FEET BELOW STATION LEVEL. LU2237' LU2237'THE STATION TO WHICH THE U.S.G.S. REFERENCE MARK ONCE POINTED LU2237'COULD NOT BE FOUND. THE MARKS LISTED HERE ARE ALL THAT COULD LU2237'BE FOUND. LU2237' LU2237'AZIMUTH MARK IS A STANDARD DISK CEMENTED IN THE TOP OF A 3-FOOT LU2237'HIGH BY 6 FEET WIDE BOULDER, AND STAMPED IAQUA 1941. LU2237' LU2237'REACHED FROM THE COURTHOUSE IN EUREKA BY PROCEEDING E ON MYRTLE LU2237'AVENUE AND CONTINUING E FOR 4.7 MILES TO FRESHWATER, TAKE LU2237'RIGHT FORK AND FOLLOW ROAD TOWARD KNEELAND, GO 9.2 MILES, TAKE LU2237'RIGHT FORK AT SIGN, KNEELAND P.O.3, GO 2.9 MILES, TAKE LEFT LU2237'FORK AT KNEELAND PRAIRIE SCHOOL, GO 0.3 MILE, TAKE RIGHT FORK, LU2237'KEEPING ON MAIN-TRAVELED ROAD, GO 10.0 MILES, TURN LEFT ON ROAD LU2237'TOWARD IAQUA LOOKOUT AT SIGN, IAQUA L.O., GO 1.4 MILES, PASS LU2237'AZIMUTH MARK WHICH IS 20 FEET E OF THE CENTER LINE OF THE ROAD LU2237'AND CONTINUE ON ROAD, GO 0.3 MILE, TURN RIGHT THROUGH WOODEN LU2237'GATE, GO 1.0 MILE TO GARAGE, END OF ROAD, AND END OF TRUCK LU2237'TRAVEL. PACK ALONG WELL-MARKED TRAIL FOR 1.0 MILE TO LU2237'LOOKOUT TOWER AND STATION. A 40-MINUTE PACK. LU2237' LU2237'HEIGHT OF LIGHT ABOVE STATION MARK - 1-1/2 METERS. LU2237 LU2237 STATION RECOVERY (1961) LU2237 LU2237'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (JCC) LU2237'STATION MARK WAS REPORTED TILTED ABOUT 45 DEGREES IN 1952. IT LU2237'WAS FOUND BY THIS PARTY IN A NORMAL POSITION AND SOLID. REFERENCE LU2237'MARK NO. 1 WAS NOT RECOVERED. REFERENCE MARK NO. 2 (U.S.G.S. LU2237'NO DATE) IS AS PREVIOUSLY DESCRIBED AND IN GOOD CONDITION. THE LU2237'AZIMUTH MARK IS AS PREVIOUSLY DESCRIBED AND IN GOOD CONDITION. LU2237'STATION WAS LEFT INTACT AND A TIE MADE TO IAQUA 2 1961. LU2237'REFER TO DESCRIPTION FOR STATION IAQUA 2 1961. LU2237 LU2237 STATION RECOVERY (1978) LU2237 LU2237'RECOVERY NOTE BY CALTRANS 1978 (GAA) LU2237'THE MARKS FOR THE STATION IAQUA AND ITS RM NO. 2 AND FOR STATION LU2237'IAQUA 2 AND ITS RM NO. 3 AND RM NO. 4 WERE ALL FOUND IN GOOD LU2237'CONDITION. DID NOT SEARCH FOR THE AZIMUTH MARK. LU2237' LU2237'THE ACCESS DESCRIPTION COULD BE UPDATED AS FOLLOWS--AT P.M. 18.78 LU2237'ON THE COUNTY ROAD (F6F060), FROM BRIDGEVILLE TO KNEELAND, TURN LU2237'EASTERLY ONTO SLATER ROAD, AT 1.70 MILE, AT THE SIGN IAQUA LOOKOUT, LU2237'TAKE RIGHT FORK. PASS THROUGH A LOCKED GATE AT 0.11 MILE BY MEANS LU2237'OF A KEY OBTAINABLE AT THE FORTUNA OFF. OF THE CALIF. DIV. OF LU2237'FORESTRY. 0.75 MILE FROM THIS GATE TAKE RIGHT FORK AND CONTINUE LU2237'1.5 MILE TO THE IAQUA LOOKOUT AND THE STATION. LU2237' LU2237'NEAREST TOWN (DIST. AND DIR.) 17 MILE SE OF EUREKA.