National Geodetic Survey, Retrieval Date = SEPTEMBER 19, 2002 MW0914 *********************************************************************** MW0914 DESIGNATION - SCONCHIN MW0914 PID - MW0914 MW0914 STATE/COUNTY- CA/SISKIYOU MW0914 USGS QUAD - SCHONCHIN BUTTE (1993) MW0914 MW0914 *CURRENT SURVEY CONTROL MW0914 ___________________________________________________________________ MW0914* NAD 83(1992)- 41 44 14.91351(N) 121 31 45.02218(W) ADJUSTED MW0914* NAVD 88 - 1603.1 (meters) 5260. (feet) VERTCON MW0914 ___________________________________________________________________ MW0914 EPOCH DATE - 1991.35 MW0914 LAPLACE CORR- 0.73 (seconds) DEFLEC99 MW0914 GEOID HEIGHT- -22.85 (meters) GEOID99 MW0914 MW0914 HORZ ORDER - SECOND MW0914 MW0914.The horizontal coordinates were established by classical geodetic methods MW0914.and adjusted by the National Geodetic Survey in March 1994. MW0914.The horizontal coordinates are valid at the epoch date displayed above. MW0914.The epoch date for horizontal control is a decimal equivalence MW0914.of Year/Month/Day. MW0914 MW0914.The NAVD 88 height was computed by applying the VERTCON shift value to MW0914.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MW0914 MW0914.The Laplace correction was computed from DEFLEC99 derived deflections. MW0914 MW0914.The geoid height was determined by GEOID99. MW0914 MW0914; North East Units Scale Converg. MW0914;SPC CA 1 - 767,068.095 2,039,168.859 MT 1.00001876 +0 18 28.3 MW0914;SPC CA 1 - 2,516,622.58 6,690,173.16 sFT 1.00001876 +0 18 28.3 MW0914;UTM 10 - 4,621,674.394 622,311.348 MT 0.99978409 +0 58 45.4 MW0914 MW0914: Primary Azimuth Mark Grid Az MW0914:SPC CA 1 - SCONCHIN AZ MK 175 53 22.2 MW0914:UTM 10 - SCONCHIN AZ MK 175 13 05.1 MW0914 MW0914|---------------------------------------------------------------------| MW0914| PID Reference Object Distance Geod. Az | MW0914| dddmmss.s | MW0914| MW0913 SCONCHIN LOOKOUT HOUSE 72.452 METERS 00300 | MW0914| CD8009 SCONCHIN RM 1 25.774 METERS 03543 | MW0914| CD8008 SCONCHIN AZ MK 1761150.5 | MW0914| CD8010 SCONCHIN RM 2 10.503 METERS 30127 | MW0914|---------------------------------------------------------------------| MW0914 MW0914 SUPERSEDED SURVEY CONTROL MW0914 MW0914 NAD 83(1986)- 41 44 14.91219(N) 121 31 45.01624(W) AD(1984.00) 2 MW0914 NAD 27 - 41 44 15.34300(N) 121 31 41.03700(W) AD( ) 2 MW0914 NGVD 29 - 1602.0 (m) 5256. (f) VERT ANG MW0914 MW0914.Superseded values are not recommended for survey control. MW0914.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MW0914.See file dsdata.txt to determine how the superseded data were derived. MW0914 MW0914_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MW0914_SETTING: 66 = SET IN ROCK OUTCROP MW0914 MW0914 HISTORY - Date Condition Report By MW0914 HISTORY - 1948 MONUMENTED CGS MW0914 MW0914 STATION DESCRIPTION MW0914 MW0914'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) MW0914'THE STATION IS LOCATED ON SCONCHIN BUTTE, ABOUT 40 MILES NORTHWEST MW0914'OF CANBY, ABOUT 16 MILES SOUTH SOUTHWEST OF TULE LAKE, ABOUT MW0914'11 MILES NORTHWEST OF TIONESTA, AND 2 MILES NORTH OF INDIAN MW0914'WELL RANGER STATION. MW0914' MW0914'TO REACH, FROM THE U.S. POST OFFICE IN CANBY, GO WEST, ON U.S. MW0914'HIGHWAY 299, FOR 0.6 MILE TO JUNCTION. TURN RIGHT, ON STATE MW0914'HIGHWAY 139, AND GO NORTH 25.9 MILES TO SIDE ROAD LEFT. TURN MW0914'LEFT, (AS PER SIGN TIONESTA 6), AND GO WEST, ON GRAVELED MW0914'ROAD 2.9 MILE TO FORKS. TAKE RIGHT FORK, (AS PER SIGN MODOC MW0914'LAVA BEDS 14), AND GO NORTHWEST 7.8 MILES TO FORKS. TAKE MW0914'RIGHT FORK, (AS PER SIGN MODOC LAVA BEDS 6), AND GO NORTHWEST MW0914'5.6 MILES TO INDIAN WELL RANGER STATION AND FORKS. TAKE RIGHT MW0914'FORK, AND GO NORTHWEST, ON PAVED ROAD 2.4 MILES TO SIDE ROAD MW0914'RIGHT. TURN SHARP RIGHT, (AS PER SIGN SCONCHIN BUTTE MW0914'LOOKOUT), AND GO EAST 0.9 MILE TO END OF ROAD. THENCE PACK, MW0914'UP THE LOOKOUT TRAIL TO THE HIGHEST POINT OF THE BUTTE AND THE MW0914'STATION SITE. MW0914' MW0914'THE STATION MARK IS A STANDARD DISK, STAMPED SCONCHIN 1948, MW0914'SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH IS ABOUT MW0914'FLUSH WITH THE GROUND. MW0914' MW0914'REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED SCONCHIN MW0914'NO 1 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH MW0914'IS ABOUT FLUSH WITH THE GROUND AND IS ABOUT THE SAME ELEVATION MW0914'AS THE STATION. MW0914' MW0914'REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED SCONCHIN MW0914'NO 2 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH MW0914'PROJECTS ABOUT 6 INCHES AND IS ABOUT 24 INCHES LOWER THAN THE MW0914'STATION. MW0914' MW0914'THE AZIMUTH MARK IS A STANDARD DISK, STAMPED SCONCHIN 1948, MW0914'SET INTO A DRILL HOLE IN OUTCROPPING LAVA ROCK WHICH PROJECTS MW0914'ABOUT 10 FEET. IT IS LOCATED ON THE TOP OF A LARGE OUTCROP MW0914'OF LAVA ROCK, ABOUT 0.2 MILE NORTH OF THE FORKS IN THE ROAD, MW0914'ABOUT 100 FEET WEST OF THE PAVED ROAD AND IS ON THE HIGHEST MW0914'POINT OF THE IMMEDIATE VICINITY. MW0914' MW0914'TO REACH, FROM THE STATION, GO WEST, ON THE DIRT ROAD 0.9 MILE MW0914'TO THE PAVED ROAD. TURN LEFT, ON THE PAVED ROAD, AND GO SOUTH MW0914'0.5 MILE TO THE AZIMUTH MARK. MW0914' MW0914'SCONCHIN LOOKOUT HOUSE IS LOCATED ON THE HIGHEST POINT OF SCONCHIN MW0914'BUTTE, PAINTED BROWN, OF WOOD STRUCTURE. THE LOOKOUT HOUSE MW0914'IS APPROXIMATELY 20 FOOT SQUARE, AND ABOUT 25 FEET HIGH. MW0914'THE APPEX OF THE LOOKOUT HOUSE WAS INTERSECTED.