National Geodetic Survey, Retrieval Date = JANUARY 15, 2003 DY2975 *********************************************************************** DY2975 DESIGNATION - HIGH MOUNTAIN RESET DY2975 PID - DY2975 DY2975 STATE/COUNTY- CA/LOS ANGELES DY2975 USGS QUAD - SANTA CATALINA NORTH (1980) DY2975 DY2975 *CURRENT SURVEY CONTROL DY2975 ___________________________________________________________________ DY2975* NAD 83(1992)- 33 22 30.53140(N) 118 25 10.87361(W) ADJUSTED DY2975* NAVD 88 - 649. (meters) 2129. (feet) SCALED DY2975 ___________________________________________________________________ DY2975 EPOCH DATE - 1991.35 DY2975 LAPLACE CORR- 2.72 (seconds) DEFLEC99 DY2975 GEOID HEIGHT- -36.33 (meters) GEOID99 DY2975 DY2975 HORZ ORDER - THIRD DY2975 DY2975.The horizontal coordinates were established by classical geodetic methods DY2975.and adjusted by the National Geodetic Survey in June 1996. DY2975.The horizontal coordinates are valid at the epoch date displayed above. DY2975.The epoch date for horizontal control is a decimal equivalence DY2975.of Year/Month/Day. DY2975 DY2975.The orthometric height was scaled from a topographic map. DY2975 DY2975.The Laplace correction was computed from DEFLEC99 derived deflections. DY2975 DY2975.The geoid height was determined by GEOID99. DY2975 DY2975; North East Units Scale Converg. DY2975;SPC CA 5 - 486,231.359 1,960,937.719 MT 1.00020760 -0 14 21.2 DY2975;SPC CA 5 - 1,595,244.05 6,433,509.83 sFT 1.00020760 -0 14 21.2 DY2975;UTM 11 - 3,693,777.278 367,937.459 MT 0.99981502 -0 46 52.0 DY2975 DY2975|---------------------------------------------------------------------| DY2975| PID Reference Object Distance Geod. Az | DY2975| dddmmss.s | DY2975| CB9050 HIGH MOUNTAIN RM 2 5.413 METERS 03348 | DY2975| CB9049 HIGH MOUNTAIN RM 1 5.994 METERS 14538 | DY2975|---------------------------------------------------------------------| DY2975 DY2975 SUPERSEDED SURVEY CONTROL DY2975 DY2975 NAD 83(1986)- 33 22 30.53389(N) 118 25 10.87272(W) AD(1984.00) 3 DY2975 NAD 27 - 33 22 30.43100(N) 118 25 07.59600(W) AD( ) 3 DY2975 DY2975.Superseded values are not recommended for survey control. DY2975.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DY2975.See file dsdata.txt to determine how the superseded data were derived. DY2975 DY2975_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SLS6793793777(NAD 83) DY2975_MARKER: S = SPIKE DY2975_SETTING: 80 = SET IN A BOULDER DY2975 DY2975 HISTORY - Date Condition Report By DY2975 HISTORY - 1876 MONUMENTED CGS DY2975 HISTORY - 1933 SEE DESCRIPTION CGS DY2975 HISTORY - 1959 MARK NOT FOUND CGS DY2975 HISTORY - 1962 SEE DESCRIPTION LOCSUR DY2975 DY2975 STATION DESCRIPTION DY2975 DY2975'DESCRIBED BY COAST AND GEODETIC SURVEY 1876 (SF) DY2975'ON THE HIGHEST PEAK OF CATALINA ISLAND, AT THE BASE OF WHICH, ON DY2975'THE EASTERN SIDE, A DEEP CANYON RUNS TOWARD THE S SIDE OF THE DY2975'ISLAND, CONTAINING SEVERAL SPRINGS OF GOOD WATER AND A GREAT MANY DY2975'WILLOW TREES. A BRICKBAT WAS BURIED EVEN WITH THE SURFACE OF THE DY2975'GROUND, AND AN IRON SPIKE DRIVEN IN A LEAD BOLT IN THE TOP MARKED DY2975'THE CENTER. FOUR REDWOOD STUBS, EACH WITH A COPPER TACK IN THE DY2975'TOP, WERE PLACED TO THE N, S, E, AND W, 2 FEET FROM THE CENTER. DY2975 DY2975 STATION RECOVERY (1933) DY2975 DY2975'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1933 (RWK) DY2975'STATION IS ON THE HIGHEST PEAK ON CATALINA ISLAND, KNOWN AS MT. DY2975'ORIZABA. BEST REACHED BY TAKING THE BLACKJACK MINE-WHITES LANDING DY2975'ROAD TO THE SUMMIT OF THE RIDGE JOINING THE STATION AND CATALINA DY2975'PEAK (MT. BLACKJACK), NEAR A WATER TANK. FROM HERE FOLLOW THE DY2975'RIDGE IN A SOUTHWESTERLY DIRECTION TO THE STATION. DY2975' DY2975'STATION WAS RECOVERED AS DESCRIBED, AND WAS RE-MARKED WITH A DY2975'STANDARD DISK SET IN CONCRETE IN A DEPRESSION IN A BOULDER. DY2975' DY2975'REFERENCE MARKS ARE STANDARD BRONZE DISKS. DY2975 DY2975 STATION RECOVERY (1959) DY2975 DY2975'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (LFV) DY2975'STATION AND REFERENCE MARKS SEARCHED FOR BUT NOT RECOVERED. DY2975'ALL MARKS WERE PROBABLY DESTROYED WHEN TOP OF MOUNTAIN WAS CUT AND DY2975'SHAPED FOR FAA-VOR FACILITY. DY2975 DY2975 STATION RECOVERY (1962) DY2975 DY2975'RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1962 (BRR) DY2975'RECOVERED BY AMERICAN ELEC SURVEYS. DY2975' DY2975'STATION DESTROYED. THE ENTIRE TOP OF THE MOUNTAIN HAS BEEN DY2975'REMOVED BY EXCAVATION.