National Geodetic Survey, Retrieval Date = JANUARY 3, 2005 KT1900 *********************************************************************** KT1900 DESIGNATION - PINNACLE ROCK KT1900 PID - KT1900 KT1900 STATE/COUNTY- CA/LAKE KT1900 USGS QUAD - BARTLETT MTN (1994) KT1900 KT1900 *CURRENT SURVEY CONTROL KT1900 ___________________________________________________________________ KT1900* NAD 83(1992)- 39 08 51.31933(N) 122 45 54.38737(W) ADJUSTED KT1900* NAVD 88 - 1408.3 (meters) 4620. (feet) VERTCON KT1900 ___________________________________________________________________ KT1900 EPOCH DATE - 1991.35 KT1900 LAPLACE CORR- 0.43 (seconds) DEFLEC99 KT1900 GEOID HEIGHT- -28.93 (meters) GEOID03 KT1900 KT1900 HORZ ORDER - SECOND KT1900 KT1900.The horizontal coordinates were established by classical geodetic methods KT1900.and adjusted by the National Geodetic Survey in March 1994. KT1900.The horizontal coordinates are valid at the epoch date displayed above. KT1900.The epoch date for horizontal control is a decimal equivalence KT1900.of Year/Month/Day. KT1900 KT1900.The NAVD 88 height was computed by applying the VERTCON shift value to KT1900.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) KT1900 KT1900.The Laplace correction was computed from DEFLEC99 derived deflections. KT1900 KT1900.The geoid height was determined by GEOID03. KT1900 KT1900; North East Units Scale Factor Converg. KT1900;SPC CA 2 - 664,668.873 1,933,865.777 MT 0.99991527 -0 28 56.6 KT1900;SPC CA 2 - 2,180,667.79 6,344,691.30 sFT 0.99991527 -0 28 56.6 KT1900;UTM 10 - 4,333,181.135 520,297.433 MT 0.99960507 +0 08 53.9 KT1900 KT1900! - Elev Factor x Scale Factor = Combined Factor KT1900!SPC CA 2 - 0.99978363 x 0.99991527 = 0.99969892 KT1900!UTM 10 - 0.99978363 x 0.99960507 = 0.99938879 KT1900 KT1900: Primary Azimuth Mark Grid Az KT1900:SPC CA 2 - PINNACLE ROCK AZ MK 224 10 42.0 KT1900:UTM 10 - PINNACLE ROCK AZ MK 223 32 51.5 KT1900 KT1900|---------------------------------------------------------------------| KT1900| PID Reference Object Distance Geod. Az | KT1900| dddmmss.s | KT1900| DB6616 PINNACLE ROCK RM 0.319 METERS 00603 | KT1900| DB6495 PINNACLE ROCK RM 1 4.745 METERS 03432 | KT1900| DB6497 PINNACLE ROCK RM 3 12.633 METERS 05229 | KT1900| KT1899 PINNACLE ROCK LOH CENTER 1949 5.720 METERS 08042 | KT1900| DB6496 PINNACLE ROCK RM 2 3.306 METERS 13120 | KT1900| DB6494 PINNACLE ROCK AZ MK 2234145.4 | KT1900|---------------------------------------------------------------------| KT1900 KT1900 SUPERSEDED SURVEY CONTROL KT1900 KT1900 NAD 83(1986)- 39 08 51.31422(N) 122 45 54.37373(W) AD(1984.00) 2 KT1900 NAD 27 - 39 08 51.70900(N) 122 45 50.41300(W) AD( ) 2 KT1900 NGVD 29 (07/19/86) 1407.4 (m) 4617. (f) VERT ANG KT1900 KT1900.Superseded values are not recommended for survey control. KT1900.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. KT1900.See file dsdata.txt to determine how the superseded data were derived. KT1900 KT1900_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEJ2029733181(NAD 83) KT1900_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION KT1900_SETTING: 66 = SET IN ROCK OUTCROP KT1900 KT1900 HISTORY - Date Condition Report By KT1900 HISTORY - 1949 MONUMENTED CGS KT1900 HISTORY - 1965 SEE DESCRIPTION CGS KT1900 KT1900 STATION DESCRIPTION KT1900 KT1900'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) KT1900'THE STATION IS LOCATED ON THE TOP OF A HIGH ROCK OUTCROP THAT IS KT1900'LOCALLY KNOWN AS PINNACLE ROCK. THE PINNACLE ROCK LOOKOUT HOUSE KT1900'IS ON THE SAME HIGH POINT. IT IS ABOUT 5 MILES AIRLINE KT1900'EAST-NORTHEAST OF NICE, ABOUT 4 MILES AIRLINE NORTH-NORTHEAST KT1900'OF LUCERNE, AND ABOUT 11 MILES AIRLINE NORTHEAST OF LAKEPORT. KT1900' KT1900'THE STATION IS 11-1/2 FEET WEST OF THE WEST WALL OF THE LOOKOUT KT1900'HOUSE. IT IS A STANDARD DISK SET IN A DRILL HOLE IN BEDROCK. KT1900'THE DISK IS STAMPED--PINNACLE ROCK 1949. KT1900' KT1900'REFERENCE MARK NUMBER ONE IS 5.20 FEET LOWER THAN THE STATION. KT1900'IT IS A STANDARD DISK SET IN A DRILL HOLE IN THE CONCRETE BLOCK KT1900'THAT SUPPORTS THE NORTHWEST LEG THAT IS SUPPORTING THE NORTHWEST KT1900'CORNER OF THE CATWALK. THE DISK IS STAMPED--PINNACLE ROCK NO KT1900'1 1949. KT1900' KT1900'REFERENCE MARK NUMBER TWO IS 2.1 FEET LOWER THAN THE STATION. KT1900'IT IS A STANDARD DISK SET IN A DRILL HOLE IN THE CONCRETE KT1900'BLOCK THAT SUPPORTS THE SOUTHWEST LEG THAT IS SUPPORTING THE KT1900'SOUTHWEST CORNER OF THE CATWALK. THE DISK IS STAMPED--PINNACLE KT1900'ROCK NO 2 1949. KT1900' KT1900'THE AZIMUTH MARK IS 15 FEET WEST OF THE CENTER LINE OF THE KT1900'ROAD AND 11 FEET NORTHWEST OF A TRIANGULAR BLAZED 8-INCH OAK KT1900'TREE. IT IS A STANDARD DISK WELDED TO THE TOP OF AN IRON PIPE KT1900'THAT IS SET IN CONCRETE AND PROJECTS 4 INCHES ABOVE THE GROUND. KT1900'THE DISK IS STAMPED--PINNACLE ROCK 1949. TO REACH THE MARK KT1900'FROM THE STATION GO WEST AND SOUTH ON THE ROAD TO NICE FOR KT1900'2.2 MILES TO THE TRIANGULAR BLAZED 8-INCH OAK TREE AND THE KT1900'MARK ON THE RIGHT AS DESCRIBED. KT1900' KT1900'THE PINNACLE ROCK LOOKOUT HOUSE IS A 14-FOOT SQUARE WOOD BUILDING KT1900'THAT WAS BUILT ON THE TOP OF THE ROCK PINNACLE. THE OUTSIDE OF THE KT1900'BUILDING IS PAINTED WHITE. THE FLOOR OF THE BUILDING IS KT1900'ABOUT THE SAME ELEVATION AS THE STATION. THE CENTER OF THE KT1900'FLOOR OF THE BUILDING WILL SERVE AS THE SUBSTITUTE STATION. KT1900' KT1900'TO REACH THE STATION FROM THE POST OFFICE IN NICE GO EAST ON KT1900'STATE HIGHWAY 20 FOR 1.25 MILES TO A DIRT ROAD TO THE LEFT. TURN KT1900'LEFT AS PER SIGN BARTLETT SPRINGS 15 AND GO 5.25 TO A FORK. KT1900'TAKE THE LEFT FORK AND GO 1.3 MILES TO A FORK AND A LOCKED KT1900'GATE. TAKE THE LEFT FORK AS PER SIGN PINNACLE ROCK L.O., KT1900'PASSING THROUGH THE LOCKED FOREST SERVICE GATE, AND GO 2.1 MILES KT1900'TO THE TOP OF THE RIDGE AND A FORK. TAKE THE RIGHT FORK KT1900'AND GO 0.5 MILE TO THE END OF THE ROAD. FROM THE END OF THE KT1900'ROAD PACK ABOUT 100 YARDS UP THE STAIRWAY TO THE LOOKOUT KT1900'HOUSE AND THE STATION AS DESCRIBED. KT1900' KT1900'HEIGHT OF LIGHT ABOVE STATION MARK 1.61 METERS. KT1900 KT1900 STATION RECOVERY (1965) KT1900 KT1900'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (EHS) KT1900'THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARK NUMBER 2 KT1900'WERE RECOVERED IN GOOD CONDITION. THE PINNACLE ROCK LOOKOUT KT1900'HOUSE WAS BURNED DOWN IN 1963 AND REFERENCE MARK NUMBER 1 KT1900'WAS DESTROYED IN THE PROCESS. REFERENCE MARK NUMBER 3 WAS SET ON KT1900'THIS DATE AND A U.S. GEOLOGICAL SURVEY REFERENCE MARK DISK KT1900'WAS TRAVERSED TO. THE LINE FROM THE STATION MARK TO THE AZIMUTH KT1900'MARK IS OBSTRUCTED BY TREE TOPS NEAR THE AZIMUTH MARK. THE KT1900'1949 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- KT1900' KT1900'TO REACH THE STATION FROM THE POST OFFICE AT NICE GO SOUTHEAST KT1900'ON STATE HIGHWAY 20 FOR 0.3 MILE TO A SIDE ROAD ON THE LEFT. KT1900'TURN LEFT ONTO BARTLETT SPRINGS ROAD AND GO NORTHEAST 6.4 MILES KT1900'TO THE SUMMIT OF THE GRADE AND A LOCKED GATE ON THE LEFT. KT1900'(U.S. FOREST SERVICE LOCK) TURN LEFT, PASS THROUGH THE GATE, KT1900'AND GO NORTH-NORTHEAST 1.4 MILES TO A FORK. TAKE THE RIGHT KT1900'FORK AND GO SOUTHEAST 0.4 MILE TO THE END OF THE ROAD. PACK KT1900'SOUTHEAST UP A ROCK STAIRWAY ABOUT 100 YARDS TO THE HIGHEST KT1900'POINT AND THE STATION. KT1900' KT1900'REFERENCE MARK NUMBER 3 IS A COAST AND GEODETIC SURVEY REFERENCE KT1900'MARK DISK STAMPED PINNACLE ROCK NO 3 1949 CEMENTED IN A DRILL KT1900'HOLE IN OUTCROPPING BEDROCK ABOUT 6 FEET LOWER THAN THE STATION KT1900'MARK. KT1900' KT1900'R.M. (USGS) IS A U.S. GEOLOGICAL SURVEY REFERENCE MARK DISK KT1900'UNSTAMPED AND CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK KT1900'ABOUT 0.2 FOOT HIGHER THAN THE STATION MARK.