National Geodetic Survey, Retrieval Date = FEBRUARY 8, 2004 DY3022 *********************************************************************** DY3022 DESIGNATION - WEST PEAK RESET DY3022 PID - DY3022 DY3022 STATE/COUNTY- CA/LOS ANGELES DY3022 USGS QUAD - SANTA CATALINA WEST (1980) DY3022 DY3022 *CURRENT SURVEY CONTROL DY3022 ___________________________________________________________________ DY3022* NAD 83(1992)- 33 27 35.36281(N) 118 34 07.19912(W) ADJUSTED DY3022* NAVD 88 - 555.7 (meters) 1823. (feet) VERTCON DY3022 ___________________________________________________________________ DY3022 EPOCH DATE - 1991.35 DY3022 LAPLACE CORR- 4.55 (seconds) DEFLEC99 DY3022 GEOID HEIGHT- -36.67 (meters) GEOID03 DY3022 DY3022 HORZ ORDER - FIRST DY3022 DY3022.The horizontal coordinates were established by classical geodetic methods DY3022.and adjusted by the National Geodetic Survey in June 1996. DY3022.The horizontal coordinates are valid at the epoch date displayed above. DY3022.The epoch date for horizontal control is a decimal equivalence DY3022.of Year/Month/Day. DY3022 DY3022.The NAVD 88 height was computed by applying the VERTCON shift value to DY3022.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DY3022 DY3022.The Laplace correction was computed from DEFLEC99 derived deflections. DY3022 DY3022.The geoid height was determined by GEOID03. DY3022 DY3022; North East Units Scale Converg. DY3022;SPC CA 5 - 495,692.678 1,947,124.775 MT 1.00017363 -0 19 26.9 DY3022;SPC CA 5 - 1,626,285.06 6,388,191.87 sFT 1.00017363 -0 19 26.9 DY3022;UTM 11 - 3,703,365.306 354,219.359 MT 0.99986201 -0 51 54.1 DY3022 DY3022: Primary Azimuth Mark Grid Az DY3022:SPC CA 5 - WEST PEAK AZ MK 101 01 49.9 DY3022:UTM 11 - WEST PEAK AZ MK 101 34 17.1 DY3022 DY3022|---------------------------------------------------------------------| DY3022| PID Reference Object Distance Geod. Az | DY3022| dddmmss.s | DY3022| CC1206 WEST PEAK RM 1 7.638 METERS 08932 | DY3022| CC1205 WEST PEAK AZ MK 1004223.0 | DY3022| CC1207 WEST PEAK RM 2 4.145 METERS 15326 | DY3022|---------------------------------------------------------------------| DY3022 DY3022 SUPERSEDED SURVEY CONTROL DY3022 DY3022 NAD 83(1986)- 33 27 35.36356(N) 118 34 07.19145(W) AD(1984.00) 1 DY3022 NAD 27 - 33 27 35.26700(N) 118 34 03.89800(W) AD( ) 1 DY3022 NGVD 29 (07/19/86) 555.0 (m) 1821. (f) VERT ANG DY3022 DY3022.Superseded values are not recommended for survey control. DY3022.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DY3022.See file dsdata.txt to determine how the superseded data were derived. DY3022 DY3022_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SLT5421903365(NAD 83) DY3022_MARKER: S = SPIKE DY3022_SETTING: 80 = SET IN A BOULDER DY3022 DY3022 HISTORY - Date Condition Report By DY3022 HISTORY - 1875 MONUMENTED CGS DY3022 HISTORY - 1933 SEE DESCRIPTION CGS DY3022 HISTORY - 1940 SEE DESCRIPTION CGS DY3022 HISTORY - 1951 SEE DESCRIPTION CGS DY3022 DY3022 STATION DESCRIPTION DY3022 DY3022'DESCRIBED BY COAST AND GEODETIC SURVEY 1875 (SF) DY3022'ON THE HIGHEST PEAK ON THE W END OF THE ISLAND. A BRICKBAT WAS DY3022'BURIED EVEN WITH THE SURFACE OF THE GROUND, AND AN IRON SPIKE DY3022'DRIVEN IN A LEAD BOLT IN THE TOP MARKED THE CENTER. FOUR DY3022'REDWOOD STUBS, EACH WITH A COPPER TACK IN THE TOP, WERE PLACED DY3022'TO THE N, S, E, AND W, 2 FEET FROM THE CENTER. DY3022 DY3022 STATION RECOVERY (1933) DY3022 DY3022'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1933 (RWK) DY3022'ON THE HIGHEST PEAK NORTHWEST OF CATALINA ISTHMUS, ABOUT TWO DY3022'MILES WEST-SOUTHWEST OF EMERALD BAY. BEST REACHED BY TAKING DY3022'THE ROAD FROM CATALINA ISTHMUS PAST EMERALD BAY TO ITS END IN THE DY3022'SADDLE SOUTHWEST OF RED PEAK 2, THEN CLIMBING ANY RIDGE TO THE DY3022'STATION. THE OLD STATION WAS FOUND IN GOOD CONDITION, AND DY3022'WAS REMARKED AS FOLLOWS-- DY3022' DY3022'SUBSURFACE MARK--ORIGINAL BRICK MARK, BURIED TWO FEET BELOW THE DY3022'SURFACE. DY3022' DY3022'SURFACE MARK SET INTO A MASS OF CONCRETE IN A DEPRESSION IN A BOULDER. DY3022 DY3022 STATION RECOVERY (1940) DY3022 DY3022'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1940 (RDH) DY3022'STATION RECOVERED AS DESCRIBED, AND IN GOOD CONDITION. STATION DY3022'IS ON THE HIGHEST PEAK ON THE NORTHWEST END OF SANTA CATALINA DY3022'ISLAND, ABOUT TWO MILES WEST-SOUTHWEST OF EMERALD BAY AND IS DY3022'ON THE HIGHEST ONE OF A GROUP OF BARE RED PEAKS. IT IS WELL DY3022'KNOWN LOCALLY AS SILVER PEAK. DY3022' DY3022'STATION MARK IS A STANDARD DISK STAMPED WEST PEAK 1875 SET IN A DY3022'BOULDER. REFERENCE MARK NO. 1 IS A STANDARD DISK STAMPED NO. 1, DY3022'SET IN A BOULDER. IT IS EAST OF THE STATION AND ABOUT 3 FEET DY3022'LOWER IN ELEVATION. REFERENCE MARK NO. 2 IS A STANDARD DISK DY3022'STAMPED NO. 2, SET IN A BOULDER. IT IS SOUTHEAST OF THE STATION DY3022'AND ABOUT 2 FEET LOWER IN ELEVATION. DY3022' DY3022'TO REACH STATION, TAKE ROAD FROM CATALINA ISTHMUS PAST HOWLAND DY3022'LANDING AND EMERALD BAY TO THE END OF THE ROAD. FROM HERE DY3022'CLIMB RIDGE, SOUTHWESTERLY TO THE STATION. PARTY CAN BE DY3022'ACCOMMODATED AT HOWLANDS LANDING AND HORSES OBTAINED. IT IS A DY3022'LONGER PACK FROM THIS POINT BUT A GOOD TRAIL. DY3022 DY3022 STATION RECOVERY (1951) DY3022 DY3022'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1951 (LGT) DY3022'THE STATION AND THE REFERENCE MARKS WERE RECOVERED IN GOOD DY3022'CONDITION. THE HORIZONTAL MEASUREMENT AS SHOWN ON THIS DY3022'DESCRIPTION AGREES REASONABLY WELL WITH THE 1933 MEASUREMENTS. DY3022'IT IS ASSUMED FROM INVESTIGATION THAT THE 1940 MEASUREMENTS DY3022'MUST HAVE BEEN SLOPE DISTANCES. THE DIRECTIONS TO THE REFERENCE DY3022'MARKS ARE IN AGREEMENT WITH THE PREVIOUS OBSERVATIONS. AN DY3022'AZIMUTH MARK WAS ESTABLISHED AT THIS TIME. NEW DIRECTIONS DY3022'TO REACH THE STATION ARE GIVEN BELOW. A COMPLETE DESCRIPTION DY3022'FOLLOWS. DY3022' DY3022'THE STATION IS ON THE HIGHEST PEAK WEST-NORTHWEST OF THE ISTHMUS DY3022'OF SANTA CATALINA ISLAND. IT IS 4 MILES WEST OF ISTHMUS COVE, DY3022'1 MILES NORTH OF IRON BOUND BAY, AND 2-1/2 MILES SOUTHEAST OF DY3022'THE NORTHWEST TIP OF THE ISLAND. IT IS KNOWN LOCALLY AS DY3022'SILVER PEAK. DY3022' DY3022'THE STATION CAN BE REACHED FROM THE PIER AT ISTHMUS COVE BY GOING DY3022'SOUTHEAST FOR ABOUT 50 YARDS TO A STREET LEADING SOUTH-SOUTHWEST. DY3022'TURN RIGHT ON THIS STREET AND GO 0.2 MILE TO THE YACHT CLUB. DY3022'TURN RIGHT ON THE STREET IN FRONT OF THE YACHT CLUB AND GO 0.05 DY3022'MILE TO A SIGN INDICATING MILEAGES TO VARIOUS POINTS ON THE DY3022'ISLAND AND A ROAD TO THE LEFT WHICH HAS BEEN ENLARGED AND IS DY3022'USED AS AN AIRSTRIP. TURN LEFT AND FOLLOW THE ROAD DY3022'SOUTH-SOUTHWEST FOR 0.35 MILE TO THE END OF THE AIRSTRIP. BEAR DY3022'SLIGHTLY TO THE RIGHT AND GO AROUND THE WEST SHORE OF CATALINA DY3022'HARBOR, PASSING THROUGH A WOODEN GATE, FOR 0.5 MILE. LEAVE DY3022'THE SHORELINE AT THIS POINT AND GO GENERALLY WEST-NORTHWEST DY3022'ALONG THE CREST OF A SPUR RIDGE TO THE SUMMIT OF THE MAIN DY3022'RIDGE. THEN ALONG THE MAIN RIDGE FOR A TOTAL DISTANCE OF 3.6 DY3022'MILES. AT THIS POINT THE FIRE ROAD LEAVES THE TOP OF THE DY3022'RIDGE AND DESCENDS TO JOHNSONS LANDING AT EMERALD BAY. DY3022'THIS ROUTE CAN BE USED AS AN ALTERNATE ROUTE TO THE STATION. DY3022'CONTINUE ALONG THE CREST OF THE MAIN RIDGE FOR 1.1 MILES TO DY3022'THE BASE OF A STEEP INCLINE AND THE END OF TRUCK TRAVEL. DY3022'PACK UP THE INCLINE TO ITS CREST AND CONTINUE ABOUT 100 DY3022'FEET PAST THE SUMMIT TO THE AZIMUTH MARK IN A LARGE OUTCROPPING DY3022'BOULDER. CONTINUE EASTERLY ALONG THE SUMMIT OF THE RIDGE FOR DY3022'ABOUT 0.2 MILE TO THE HIGHEST POINT AND THE STATION. THIS IS DY3022'ABOUT 20 MINUTE PACK. NOTE--A FOUR-WHEEL DRIVE VEHICLE WAS USED. DY3022' DY3022'THE STATION MARK, STAMPED WEST PEAK 1875, IS A STANDARD DY3022'STATION-MARK DISK THAT IS SET IN A DRILL HOLE IN A BOULDER DY3022'WHICH PROJECTS ABOUT 3 INCHES ABOVE THE GROUND. DY3022' DY3022'REFERENCE MARK NO. 1, STAMPED NO 1 1934, IS A STANDARD DY3022'REFERENCE-MARK DISK THAT IS SET IN A DRILL HOLE IN A BOULDER DY3022'THAT PROJECTS FROM THE GROUND ABOUT 5 INCHES. IT IS ABOUT 3 DY3022'FEET LOWER IN ELEVATION THAN THE STATION. DY3022' DY3022'REFERENCE MARK NO. 2, STAMPED NO 2 1934, IS A STANDARD DY3022'REFERENCE-MARK DISK THAT IS SET IN A DRILL HOLE IN A BOULDER THAT DY3022'PROJECTS FROM THE GROUND ABOUT 1 INCH. IT IS ABOUT 1-1/2 FEET DY3022'LOWER IN ELEVATION THAN THE STATION. DY3022' DY3022'THE AZIMUTH MARK, STAMPED WEST PEAK 1951, IS A STANDARD DY3022'AZIMUTH-MARK DISK THAT IS SET IN A DRILL HOLE IN THE TOP OF AN DY3022'OUTCROPPING BOULDER THAT PROJECTS FROM THE GROUND ABOUT 8 DY3022'INCHES. IT IS ABOUT 100 FEET EAST OF THE FIRST POINT OF DY3022'ELEVATION ALONG THE CREST OF THE RIDGE TO THE EAST OF THE DY3022'STATION. DY3022' DY3022'HEIGHT OF STAND--1.23 METERS.