National Geodetic Survey, Retrieval Date = SEPTEMBER 25, 2002 LU2060 *********************************************************************** LU2060 DESIGNATION - SHIRTTAIL LU2060 PID - LU2060 LU2060 STATE/COUNTY- CA/SHASTA LU2060 USGS QUAD - WHISKEYTOWN (1979) LU2060 LU2060 *CURRENT SURVEY CONTROL LU2060 ___________________________________________________________________ LU2060* NAD 83(1992)- 40 44 24.27017(N) 122 35 40.45493(W) ADJUSTED LU2060* NAVD 88 - 1250.1 (meters) 4101. (feet) VERTCON LU2060 ___________________________________________________________________ LU2060 EPOCH DATE - 1991.35 LU2060 LAPLACE CORR- 2.08 (seconds) DEFLEC99 LU2060 GEOID HEIGHT- -26.27 (meters) GEOID99 LU2060 LU2060 HORZ ORDER - THIRD LU2060 LU2060.The horizontal coordinates were established by classical geodetic methods LU2060.and adjusted by the National Geodetic Survey in March 1994. LU2060.The horizontal coordinates are valid at the epoch date displayed above. LU2060.The epoch date for horizontal control is a decimal equivalence LU2060.of Year/Month/Day. LU2060 LU2060.The NAVD 88 height was computed by applying the VERTCON shift value to LU2060.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2060 LU2060.The Laplace correction was computed from DEFLEC99 derived deflections. LU2060 LU2060.The geoid height was determined by GEOID99. LU2060 LU2060; North East Units Scale Converg. LU2060;SPC CA 1 - 656,370.872 1,949,785.281 MT 0.99989601 -0 23 19.6 LU2060;SPC CA 1 - 2,153,443.44 6,396,920.54 sFT 0.99989601 -0 23 19.6 LU2060;UTM 10 - 4,509,982.619 534,230.855 MT 0.99961442 +0 15 52.5 LU2060 LU2060: Primary Azimuth Mark Grid Az LU2060:SPC CA 1 - SHIRTTAIL AZ MK 226 48 35.2 LU2060:UTM 10 - SHIRTTAIL AZ MK 226 09 23.1 LU2060 LU2060|---------------------------------------------------------------------| LU2060| PID Reference Object Distance Geod. Az | LU2060| dddmmss.s | LU2060| DB6719 SHIRTTAIL RM 2 6.048 METERS 05937 | LU2060| DB6717 SHIRTTAIL AZ MK 2262515.6 | LU2060| DB6718 SHIRTTAIL RM 1 6.379 METERS 32118 | LU2060| LU2061 SHIRTTAIL LOH 1953 20.160 METERS 32707 | LU2060|---------------------------------------------------------------------| LU2060 LU2060 SUPERSEDED SURVEY CONTROL LU2060 LU2060 NAD 83(1986)- 40 44 24.26408(N) 122 35 40.45876(W) AD(1984.00) 3 LU2060 NAD 27 - 40 44 24.73140(N) 122 35 36.39500(W) AD( ) 3 LU2060 NGVD 29 - 1249.2 (m) 4098. (f) VERT ANG LU2060 LU2060.Superseded values are not recommended for survey control. LU2060.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2060.See file dsdata.txt to determine how the superseded data were derived. LU2060 LU2060_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION LU2060_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT LU2060 LU2060 HISTORY - Date Condition Report By LU2060 HISTORY - 1953 MONUMENTED CGS LU2060 HISTORY - 1954 SEE DESCRIPTION CGS LU2060 HISTORY - 1974 SEE DESCRIPTION USGS LU2060 LU2060 STATION DESCRIPTION LU2060 LU2060'DESCRIBED BY COAST AND GEODETIC SURVEY 1953 (RAG) LU2060'THE STATION IS LOCATED ON THE SUMMIT OF SHIRTTAIL PEAK, 3.5 LU2060'MILES NORTH-NORTHEAST OF FRENCH GULCH, 1.5 MILES WEST OF THE LU2060'TRINITY CENTER HIGHWAY, 7.5 MILES NORTH OF WHISKEY TOWN AND LU2060'6.5 MILES WEST OF THE WESTERN MOST POINT OF SHASTA LAKE. LU2060' LU2060'REACHED FROM THE I.O.O.F. HALL IN FRENCH GULCH BY DRIVING NORTH LU2060'ON THE TRINITY CENTER HIGHWAY FOR 0.3 MILE TO A T-ROAD RIGHT. LU2060'TURN RIGHT CROSSING BRIDGE OVER CLEAR CREEK FOR 0.05 MILE TO LU2060'Y-FORKS. KEEP LEFT FORK AND CONTINUE MAIN TRAVELED ROAD FOR 2.0 LU2060'MILES TO Y-FORKS, ABOUT 100 YARDS BEFORE REACHING WHITE RANCH LU2060'HOME ON THE RIGHT. KEEP LEFT FORK AND DRIVE UP STEEP BLADED LU2060'ROAD FOR 2.8 MILES TO THE AZIMUTH MARK ON THE RIGHT. CONTINUE LU2060'UP GRADE FOR 1.1 MILES TO END OF ROAD AT THE U.S. FOREST LU2060'SERVICE LOOKOUT AND STATION. LU2060' LU2060'THE STATION MARK AND REFERENCE MARKS 1 AND 2 ARE STANDARD DISKS LU2060'SET IN CONCRETE MONUMENTS 12 X 12 INCHES SQUARE. LU2060' LU2060'STATION MARK, STAMPED SHIRTAIL 1953, IS LOCATED ON THE SOUTH LU2060'END OF PEAK, ABOUT 1 METER LOWER IN ELEVATION THAN THE HIGHEST LU2060'POINT AND PROJECTS ABOUT 6 INCHES ABOVE THE GROUND. LU2060' LU2060'REFERENCE MARK 1, STAMPED SHIRTTAIL NO 1 1953, IS 38 FEET LU2060'SOUTH OF THE SOUTHWEST CORNER OF THE LOOKOUT BUILDING, PROJECTS LU2060'ABOUT 2.0 INCHES ABOVE THE GROUND AND IS APPROXIMATELY THE LU2060'SAME ELEVATION AS THE STATION. LU2060' LU2060'REFERENCE MARK 2, STAMPED SHIRTTAIL NO 2 1953, IS 8 FEET LU2060'WEST OF THE CENTERLINE OF ROAD, PROJECTS 6 INCHES ABOVE THE LU2060'GROUND AND IS ABOUT 6 INCHES HIGHER IN ELEVATION THAN THE LU2060'STATION. LU2060' LU2060'AZIMUTH MARK, STAMPED SHIRTTAIL 1953, IS CEMENTED IN A DRILL LU2060'HOLE IN OUTCROPPING BEDROCK AND PROJECTS ABOUT 6 INCHES ABOVE LU2060'THE GROUND. THE MARK, A STANDARD DISK, IS SET ABOUT 8 FEET LU2060'ABOVE THE ROAD, 5 FEET SOUTH OF THE EDGE OF CUT-BANK, AT A LU2060'POINT WHERE THE ROAD LEADING TO SHIRTTAIL PEAK CUTS THROUGH LU2060'A SMALL RIDGE DROPPING STEEPLY TO THE NORTH FROM THE MAIN LU2060'EAST-WEST RIDGE. LU2060' LU2060'OBSERVATIONS WERE MADE FROM A 4 FOOT STAND. LU2060 LU2060 STATION RECOVERY (1954) LU2060 LU2060'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) LU2060'THE STATION WAS RECOVERED AND WAS FOUND TO BE IN GOOD CONDITION. LU2060'THE DESCRIPTION IS ADEQUATE. NO DISTANCES OR DIRECTIONS WERE LU2060'MEASURED AS THE STATION WAS VISITED BY LIGHT KEEPERS ONLY. LU2060 LU2060 STATION RECOVERY (1974) LU2060 LU2060'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 (GED) LU2060'STATION MARK, THE TABLET HAS BEEN KNOCKED OUT OF THE CONCRETE LU2060'POST, HOWEVER THE DRILL HOLE REMAINS. LU2060' LU2060'R.M. NO 1, THE TABLET HAS BEEN CUT OF AT THE SHANK, SHANK LU2060'STILL INTACKED IN THE CONCRETE POST. LU2060' LU2060'R.M. NO 2, FOUND IN GOOD CONDITION. LU2060' LU2060'REACHED FROM THE I.O.O.F. IN FRENCH GULCH AS DESCRIBED IN THE LU2060'CONTROL LIST, EXCEPT THAT THE LAST 2-1/2 MILES OF THE RD LU2060'UP TO SHIRTTAIL PEAK IS NO LONGER OPEN TO VEHICULAR TRAVEL, LU2060'ABOUT AN HOUR AND A HALF PACK.