National Geodetic Survey, Retrieval Date = JANUARY 11, 2005 KT1920 *********************************************************************** KT1920 DESIGNATION - POTATO KT1920 PID - KT1920 KT1920 STATE/COUNTY- CA/LAKE KT1920 USGS QUAD - POTATO HILL (1994) KT1920 KT1920 *CURRENT SURVEY CONTROL KT1920 ___________________________________________________________________ KT1920* NAD 83(1992)- 39 21 09.33316(N) 122 48 14.35361(W) ADJUSTED KT1920* NAVD 88 - 1344.9 (meters) 4412. (feet) VERTCON KT1920 ___________________________________________________________________ KT1920 EPOCH DATE - 1991.35 KT1920 LAPLACE CORR- 10.06 (seconds) DEFLEC99 KT1920 GEOID HEIGHT- -28.36 (meters) GEOID03 KT1920 KT1920 HORZ ORDER - SECOND KT1920 KT1920.The horizontal coordinates were established by classical geodetic methods KT1920.and adjusted by the National Geodetic Survey in March 1994. KT1920.The horizontal coordinates are valid at the epoch date displayed above. KT1920.The epoch date for horizontal control is a decimal equivalence KT1920.of Year/Month/Day. KT1920 KT1920.The NAVD 88 height was computed by applying the VERTCON shift value to KT1920.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) KT1920 KT1920.The Laplace correction was computed from DEFLEC99 derived deflections. KT1920 KT1920.The geoid height was determined by GEOID03. KT1920 KT1920; North East Units Scale Factor Converg. KT1920;SPC CA 2 - 687,454.739 1,930,706.536 MT 0.99992557 -0 30 24.8 KT1920;SPC CA 2 - 2,255,424.42 6,334,326.36 sFT 0.99992557 -0 30 24.8 KT1920;UTM 10 - 4,355,923.661 516,888.544 MT 0.99960351 +0 07 27.4 KT1920 KT1920! - Elev Factor x Scale Factor = Combined Factor KT1920!SPC CA 2 - 0.99979350 x 0.99992557 = 0.99971908 KT1920!UTM 10 - 0.99979350 x 0.99960351 = 0.99939709 KT1920 KT1920: Primary Azimuth Mark Grid Az KT1920:SPC CA 2 - GOAT MOUNTAIN 143 37 27.6 KT1920:UTM 10 - GOAT MOUNTAIN 142 59 35.4 KT1920 KT1920|---------------------------------------------------------------------| KT1920| PID Reference Object Distance Geod. Az | KT1920| dddmmss.s | KT1920| KT1918 POTATO HILL LOT CENTER 1949 8.350 METERS 02128 | KT1920| DB6533 POTATO RM 1 7.182 METERS 05015 | KT1920| KT1884 GOAT MOUNTAIN APPROX.12.8 KM 1430702.8 | KT1920| DB6532 POTATO AZ MK 2210359.0 | KT1920| DB6534 POTATO RM 2 17.815 METERS 33758 | KT1920| KT1919 POTATO HILL USFS 1949 4.530 METERS 35648 | KT1920|---------------------------------------------------------------------| KT1920 KT1920 SUPERSEDED SURVEY CONTROL KT1920 KT1920 NAD 83(1986)- 39 21 09.32417(N) 122 48 14.34385(W) AD(1984.00) 2 KT1920 NAD 27 - 39 21 09.73314(N) 122 48 10.35818(W) AD( ) 2 KT1920 NGVD 29 (07/19/86) 1343.9 (m) 4409. (f) VERT ANG KT1920 KT1920.Superseded values are not recommended for survey control. KT1920.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. KT1920.See file dsdata.txt to determine how the superseded data were derived. KT1920 KT1920_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEJ1688955924(NAD 83) KT1920_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION KT1920_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT KT1920 KT1920 HISTORY - Date Condition Report By KT1920 HISTORY - 1949 MONUMENTED CGS KT1920 HISTORY - 1964 SEE DESCRIPTION CGS KT1920 HISTORY - 1967 SEE DESCRIPTION USGS KT1920 KT1920 STATION DESCRIPTION KT1920 KT1920'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) KT1920'THE STATION IS LOCATED ON THE SUMMIT OF POTATO HILL AND ON KT1920'THE SAME HIGH POINT THAT THE POTATO HILL LOOKOUT TOWER IS ON. KT1920'IT IS ABOUT 14 MILES AIRLINE NORTHEAST OF UPPER LAKE AND ABOUT KT1920'13 MILES AIRLINE WEST-SOUTHWEST OF STONYFORD. KT1920' KT1920'THE STATION IS 15 FEET SOUTH OF THE SOUTHWEST CORNER OF THE KT1920'LOOKOUT TOWER AND 20 FEET WEST OF THE SIGN POTATO HILL LOOKOUT. KT1920'IT IS A STANDARD DISK SET IN THE TOP OF A CONCRETE POST THAT KT1920'PROJECTS 4 INCHES ABOVE THE GROUND. THE DISK IS STAMPED--POTATO KT1920'1949. KT1920' KT1920'REFERENCE MARK NUMBER ONE IS ABOUT 2 FEET HIGHER THAN THE KT1920'STATION. IT IS A STANDARD DISK SET IN A DRILL HOLE IN THE KT1920'SOUTHEAST CONCRETE FOUNDATION OF THE LOOKOUT TOWER THAT KT1920'PROJECTS ABOUT 8 INCHES ABOVE THE GROUND. THE DISK IS KT1920'STAMPED--POTATO NO 1 1949. KT1920' KT1920'REFERENCE MARK NUMBER TWO IS 29 FEET NORTHWEST OF THE NORTHWEST KT1920'CORNER OF THE LOOKOUT TOWER. IT IS A STANDARD DISK SET IN KT1920'A DRILL HOLE IN THE CONCRETE BASE THAT SUPPORTS THE FLAG-POLE. KT1920'IT PROJECTS 6 INCHES ABOVE THE GROUND. THE DISK IS KT1920'STAMPED--POTATO NO 2 1949. KT1920' KT1920'POTATO HILL (USFS) IS A STANDARD USFS DISK SET IN A DRILL KT1920'HOLE IN THE SOUTHWEST CONCRETE FOUNDATION OF THE LOOKOUT KT1920'TOWER. THE DISK IS STAMPED--POTATO HILL 4 TH ORDER L.B.L. KT1920'1944. KT1920' KT1920'THE POTATO HILL LOOKOUT TOWER IS AN ENCLOSED WOOD TOWER THAT KT1920'IS ABOUT 32 FEET HIGH AND 20 FEET SQUARE AT THE BASE. THE KT1920'OUTSIDE OF THE BUILDING IS PAINTED WHITE. THE CENTER OF THE KT1920'BASE OF THE TOWER WILL SERVE AS THE SUBSTITUTE STATION AND KT1920'IS 0.58 METER HIGHER THAN THE STATION. KT1920' KT1920'THE AZIMUTH MARK IS ON THE TOP OF THE FIRST KNOLL THAT IS KT1920'WEST OF THE ROAD THAT LEADS TO THE POTATO HILL LOOKOUT TOWER, KT1920'ALONG THE NORTH EDGE OF A FIRE BREAK THAT RUNS ALONG THE KT1920'TOP OF THE RIDGE. IT IS A STANDARD DISK SET IN A DRILL KT1920'HOLE IN BEDROCK THAT PROJECTS 4 INCHES ABOVE THE GROUND. THE KT1920'DISK IS STAMPED--POTATO 1949. TO REACH THE MARK FROM THE KT1920'STATION GO DOWN THE HILL ON THE ROAD FOR 1.0 MILE TO A FORK. KT1920'TAKE THE RIGHT FORK AND GO 1.9 MILES TO A SIGN RICE KT1920'VALLEY CROSSING 4. FROM THE SIGN PACK WESTERLY FOR ABOUT KT1920'0.05 MILE TO THE TOP OF THE FIRST KNOLL AND THE MARK AS KT1920'DESCRIBED. KT1920' KT1920'TO REACH THE STATION FROM THE POST OFFICE IN UPPER LAKE KT1920'GO NORTH FOR 0.1 MILE AND TURN RIGHT AND GO 0.1 MILE TO A KT1920'PAVED ROAD TO THE LEFT. TURN LEFT AND FOLLOW THE MAIN TRAVELED KT1920'ROAD FOR 16.1 MILES TO A ROAD TO THE RIGHT. TURN RIGHT AS KT1920'PER SIGN BEAR CREEK 8 AND GO 7.0 MILES TO A FORK. TAKE THE KT1920'RIGHT FORK AS PER SIGN SNOW MOUNTAIN AND GO 5.8 MILES TO A KT1920'FORK. TAKE THE LEFT FORK AS PER SIGN POTATO HILL LOOKOUT KT1920'AND GO 1.0 MILE TO THE POTATO HILL LOOKOUT TOWER AND THE KT1920'STATION AS DESCRIBED. KT1920' KT1920'HEIGHT OF LIGHT ABOVE STATION MARK 1.34 METERS. KT1920 KT1920 STATION RECOVERY (1964) KT1920 KT1920'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (EHS) KT1920'THE STATION MARK, POTATO HILL (USFS), AND REFERENCE MARKS KT1920'NUMBER 1 AND 2 WERE RECOVERED IN GOOD CONDITION. THE POTATO KT1920'HILL LOOKOUT TOWER WAS BURNED DOWN IN 1963 BUT ITS CONCRETE KT1920'FOUNDATION IS STILL IN PLACE. A CAREFUL SEARCH WAS MADE KT1920'FOR THE AZIMUTH MARK BUT IT WAS NOT FOUND AND HAS PROBABLY KT1920'BEEN DESTROYED BY GRADING ALONG THE NEARBY FIRE BREAK. THE KT1920'1949 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITION-- KT1920' KT1920'TO REACH THE STATION FROM THE POST OFFICE IN UPPER LAKE GO KT1920'NORTH ON MAIN STREET 0.6 MILE TO A FORK. TURN RIGHT AT A KT1920'SIGN LAKE PILLSBURY 31 AND GO EAST 0.3 MILE TO A T-ROAD. KT1920'TURN LEFT AT A SIGN LAKE PILLSBURY 31 AND GO NORTH 15.6 MILES KT1920'TO A FORK. TAKE THE RIGHT FORK AT A SIGN BEAR CREEK AND GO KT1920'EAST 7.4 MILES ON ROAD 21N04 TO A FORK. TAKE THE RIGHT FORK KT1920'AND CONTINUE EAST 1.4 MILES TO A FORK. TAKE THE LEFT FORK KT1920'AT A SIGN SNOW MOUNTAIN AND CONTINUE EAST 0.9 MILE TO A KT1920'FORK. TAKE THE LEFT FORK, UPHILL, AND GO NORTHEAST 2.3 MILES KT1920'TO A LOCKED GATE (U.S.F.S. LOCK). PASS THROUGH THE GATE AND KT1920'CONTINUE NORTHEAST 0.3 MILE TO A CABIN. PASS BY THE CABIN KT1920'AND CONTINUE NORTHEAST 0.7 MILE TO A FORK. TAKE THE RIGHT KT1920'FORK AND CONTINUE NORTHEAST 0.7 MILE TO A FORK. TAKE THE KT1920'RIGHT FORK AND CONTINUE NORTHEAST 0.2 MILE TO A FORK. KT1920'TAKE THE LEFT FORK AND GO NORTH 0.1 MILE TO A FORK. TAKE KT1920'THE LEFT FORK AT A SIGN POTATO HILL L.O. AND GO NORTHWEST KT1920'0.1 MILE TO A FORK. TAKE THE LEFT FORK AND GO NORTH AND KT1920'WEST 0.6 MILE TO THE END OF THE ROAD AT THE TOP OF THE KT1920'HILL AND THE STATION. KT1920 KT1920 STATION RECOVERY (1967) KT1920 KT1920'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1967 KT1920'NEW DESCRIPTION--THE STATION IS LOCATED ON THE SUMMIT OF KT1920'POTATO HILL, ABOUT 14 MILES AIRLINE NE OF UPPERLAKE AND ABOUT KT1920'13 MILES AIRLINE WSW OF STONYFORD. THE STATION IS 59 FEET SW KT1920'OF THE FLAGPOLE OF DESTROYED LOOKOUT TOWER. FLAGPOLE IS IN KT1920'PLACE. TO REACH FROM P.O. IN UPPER LAKE GO NORTH ON THE LAKE KT1920'PILLSBURY ROAD 16.3 MILES. TAKE RIGHT FORK AT SIGN BEAR CREEK, KT1920'FOR 7.0 MILES. THENCE ALONG RIGHT FORK 0.5 MILES. THENCE KT1920'ALONG LEFT FORK UP BEAR CREEK 0.8 MILES. THENCE ALONG LEFT KT1920'FORK 0.9 MILES PASSING BEAR CREEK GUARD STATION. THENCE KT1920'ALONG LEFT FORK LEAVING BEAR CREEK FOR 3.2 MILES. THENCE KT1920'SHARP LEFT FOR 0.1 MILES. KEEP LEFT ALONG UPPER ROAD OF KT1920'TWO AT CURVE FOR 0.6 MILES AND STATION SITE. KT1920' KT1920'REFERENCE MARK 2 ADD USFS DISK FOUND IN GOOD CONDITION AS KT1920'DESCRIBED. KT1920' KT1920'REFERENCE MARK 1 IS DESTROYED - THE STEM IS IN PLACE. KT1920' KT1920'STATION MARK IS IN GOOD CONDITION. KT1920' KT1920'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN KT1920'14 MILES NORTHEAST OF UPPERLAKE.