National Geodetic Survey, Retrieval Date = SEPTEMBER 29, 2002 KT2037 *********************************************************************** KT2037 DESIGNATION - COLD SPRING 1878 KT2037 PID - KT2037 KT2037 STATE/COUNTY- CA/MENDOCINO KT2037 USGS QUAD - COLD SPRING (1991) KT2037 KT2037 *CURRENT SURVEY CONTROL KT2037 ___________________________________________________________________ KT2037* NAD 83(1992)- 39 01 19.84822(N) 123 31 23.34888(W) ADJUSTED KT2037* NAVD 88 - 834.9 (meters) 2739. (feet) VERTCON KT2037 ___________________________________________________________________ KT2037 EPOCH DATE - 1991.35 KT2037 LAPLACE CORR- 4.64 (seconds) DEFLEC99 KT2037 GEOID HEIGHT- -30.95 (meters) GEOID99 KT2037 KT2037 HORZ ORDER - FIRST KT2037 KT2037.The horizontal coordinates were established by classical geodetic methods KT2037.and adjusted by the National Geodetic Survey in March 1994. KT2037.The horizontal coordinates are valid at the epoch date displayed above. KT2037.The epoch date for horizontal control is a decimal equivalence KT2037.of Year/Month/Day. KT2037 KT2037.The NAVD 88 height was computed by applying the VERTCON shift value to KT2037.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) KT2037 KT2037.The Laplace correction was computed from DEFLEC99 derived deflections. KT2037 KT2037.The geoid height was determined by GEOID99. KT2037 KT2037; North East Units Scale Converg. KT2037;SPC CA 2 - 651,574.420 1,868,113.335 MT 0.99991527 -0 57 37.1 KT2037;SPC CA 2 - 2,137,707.08 6,128,968.50 sFT 0.99991527 -0 57 37.1 KT2037;UTM 10 - 4,319,368.109 454,713.325 MT 0.99962525 -0 19 45.8 KT2037 KT2037: Primary Azimuth Mark Grid Az KT2037:SPC CA 2 - FISHER RESET 312 15 35.6 KT2037:UTM 10 - FISHER RESET 311 37 44.3 KT2037 KT2037|---------------------------------------------------------------------| KT2037| PID Reference Object Distance Geod. Az | KT2037| dddmmss.s | KT2037| KT2036 FISHER RESET APPROX. 7.4 KM 3111758.5 | KT2037|---------------------------------------------------------------------| KT2037 KT2037 SUPERSEDED SURVEY CONTROL KT2037 KT2037 NAD 83(1986)- 39 01 19.86177(N) 123 31 23.31791(W) AD(1984.00) 1 KT2037 NAD 27 - 39 01 20.21700(N) 123 31 19.28200(W) AD( ) 1 KT2037 NGVD 29 - 834.0 (m) 2736. (f) VERT ANG KT2037 KT2037.Superseded values are not recommended for survey control. KT2037.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. KT2037.See file dsdata.txt to determine how the superseded data were derived. KT2037 KT2037 HISTORY - Date Condition Report By KT2037 HISTORY - UNK MONUMENTED KT2037 HISTORY - 1925 SEE DESCRIPTION CGS KT2037 HISTORY - 1965 SEE DESCRIPTION CGS KT2037 HISTORY - 1972 SEE DESCRIPTION CADH KT2037 HISTORY - 1975 SEE DESCRIPTION NGS KT2037 KT2037 STATION DESCRIPTION KT2037 KT2037'DESCRIBED BY COAST AND GEODETIC SURVEY 1925 KT2037'ON SOUTHWEST END OF SUMMIT OF COLD SPRING MOUNTAIN (LOCALLY KT2037'KNOWN AS SIGNAL RIDGE), ON CONSPICUOUS BOULDER WHICH IS ABOUT KT2037'20 FEET IN DIAMETER AT BASE AND ABOUT 15 FEET HIGHER THAN KT2037'SURROUNDING RIDGE. TO REACH FROM BOONEVILLE OR PHILO, FOLLOW KT2037'GREENWOOD ROAD TO CLOWS RANCH NEAR SIGNAL SCHOOL, TAKE ROAD KT2037'LEADING SOUTH AND GO ABOUT 5 MILES TO ANDERSENS RANCH (FORMERLY KT2037'KNOWN AS COLD SPRING RANCH), FOLLOW RANCH ROAD ABOUT 1 MILE KT2037'TO SUMMIT, AND FOLLOW TRAIL THROUGH BRUSH EAST ONE-FOURTH KT2037'MILE TO STATION SITE. MARKED BY DRILL HOLE IN ROCK. DRILL KT2037'HOLE WAS 13-1/2 INCHES DEEP, AND FOR A DEPTH OF 4 INCHES WAS KT2037'2 INCHES IN DIAMETER. BELOW A DEPTH OF 4 INCHES ITS KT2037'DIAMETER WAS 1-1/4 INCHES. DRILL HOLE WAS FILLED WITH KT2037'CEMENT, AND A BRASS CARTRIDGE SHELL INSERTED IN TOP TO KT2037'MARK STATION. CONCRETE PIER, 26 INCHES SQUARE AND 3 FEET 11 KT2037'INCHES HIGH, WAS BUILT OVER DRILL HOLE, AND COPPER BOLT KT2037'WAS PLACED IN TOP. REFERENCE MARKS WERE EYEBOLTS IN ROCK AT KT2037'FOLLOWING DISTANCES FROM STATION--NO. 1, 10 FEET 1 KT2037'INCH, A LITTLE TO THE RIGHT OF LINE TO PAXTON. NO 2, 9 FEET KT2037'4 INCHES. AND NO. 3, 12 FEET. KT2037 KT2037 STATION RECOVERY (1965) KT2037 KT2037'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (EHS) KT2037'THE STATION MARK AND REFERENCE MARKS 1, 2, AND 3 WERE RECOVERED KT2037'IN GOOD CONDITION AND THE 1925 DESCRIPTION IS ADEQUATE WITH KT2037'THE FOLLOWING ADDITIONS-- KT2037' KT2037'THE STATION IS LOCATED ON THE SUMMIT OF COLD SPRING MOUNTAIN, KT2037'NEAR THE COLD SPRING LOOKOUT HOUSE, AIRLINE ABOUT 10 MILES KT2037'EAST-NORTHEAST OF MANCHESTER, 9 MILES SOUTH OF NAVARRO, AND KT2037'5 MILES SOUTHWEST OF PHILO. KT2037' KT2037'TO REACH THE STATION FROM THE POST OFFICE AT PHILO GO NORTHWEST KT2037'ON STATE HIGHWAY 128 FOR 2.9 MILES TO A SIDE ROAD ON THE LEFT. KT2037'TURN LEFT ONTO GREENWOOD RIDGE ROAD AND GO SOUTHWEST 3.5 MILES KT2037'TO A SIDE ROAD ON THE LEFT. TURN LEFT ONTO COLD SPRING ROAD KT2037'AND GO SOUTH 4.1 MILES TO A SIDE ROAD ON THE LEFT. TURN LEFT KT2037'AT A SIGN COLD SPRING LOOKOUT AND GO SOUTH 1.1 MILES TO THE KT2037'TOP OF THE MOUNTAIN, THE LOOKOUT HOUSE, AND THE STATION. KT2037' KT2037'THE STATION MARK IS 14.8 FEET WEST OF THE SOUTHWEST CORNER KT2037'OF THE LOOKOUT HOUSE. KT2037 KT2037 STATION RECOVERY (1972) KT2037 KT2037'RECOVERY NOTE BY CA DIV OF HIGHWAYS 1972 (JRM) KT2037'FOUND THE MARKER IN GOOD CONDITION. THE LOOKOUT HOUSE MENTIONED KT2037'IN THE 1965 RECOVERY IS GONE - ONLY ITS CONCRETE FOUNDATION KT2037'REMAINS. MICROWAVE AND RADIO EQUIPMENT NOW SHARE TOP. KT2037' KT2037'ESTABLISH A NEW POINT, COLD SPRING ECC. 2, ON THE NORTHEASTERLY KT2037'SIDE OF THE MOUNTAIN TOP. IT IS A CDH BRASS CAP ON A 1/2 IN KT2037'G.I.P. SET IN A CONCRETE MASS 16 IN + IN DIAMETER, THAT PROJECTS KT2037'0.2 FT. IT IS 8 FT PLUS OR MINUS FROM A SERVICE ROAD AND KT2037'IT IS REFERENCED AS FOLLOWS-- KT2037' KT2037'1. A 1 IN CDH CAP NAILED TO A POWER POLE. KT2037' KT2037'2. THE NORTHEASTERLY CORNER OF A METAL BUILDING HOUSING KT2037'MICROWAVE EQUIPMENT. KT2037 KT2037 STATION RECOVERY (1975) KT2037 KT2037'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (CLN) KT2037'THE STATION MARK AND REFERENCE MARKS 1, 2, AND 3 WERE RECOVERED KT2037'IN GOOD CONDITION AND THE PREVIOUS DESCRIPTIONS ARE ADEQUATE. KT2037' KT2037'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN KT2037'5 MILES SOUTHWEST OF PHILO.