National Geodetic Survey, Retrieval Date = FEBRUARY 27, 2000 DX4921 *********************************************************************** DX4921 DESIGNATION - WHALE DX4921 PID - DX4921 DX4921 STATE/COUNTY- CA/SAN DIEGO DX4921 USGS QUAD - WHALE PEAK (1986) DX4921 DX4921 *CURRENT SURVEY CONTROL DX4921 ___________________________________________________________________ DX4921* NAD 83(1992)- 33 01 45.88621(N) 116 18 58.10412(W) ADJUSTED DX4921* NAVD 88 - 1630.7 (meters) 5350. (feet) VERTCON DX4921 ___________________________________________________________________ DX4921 EPOCH DATE - 1991.35 DX4921 LAPLACE CORR- -4.62 (seconds) DEFLEC99 DX4921 GEOID HEIGHT- -32.48 (meters) GEOID99 DX4921 DX4921 HORZ ORDER - FIRST DX4921 DX4921.The horizontal coordinates were established by classical geodetic methods DX4921.and adjusted by the National Geodetic Survey in June 1996. DX4921.The horizontal coordinates are valid at the epoch date displayed above. DX4921.The epoch date for horizontal control is a decimal equivalence DX4921.of Year/Month/Day. DX4921 DX4921.The NAVD 88 height was computed by applying the VERTCON shift value to DX4921.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX4921 DX4921.The Laplace correction was computed from DEFLEC99 derived deflections. DX4921 DX4921.The geoid height was determined by GEOID99. DX4921 DX4921; North East Units Scale Converg. DX4921;SPC CA 6 - 1,954,335.17 6,541,395.22 sFT 0.99996818 -0 02 10.8 DX4921;SPC CA 6 - 595,682.550 1,993,821.250 MT 0.99996818 -0 02 10.8 DX4921;UTM 11 - 3,654,755.405 563,862.764 MT 0.99965029 +0 22 21.9 DX4921 DX4921: Primary Azimuth Mark Grid Az DX4921:SPC CA 6 - WHALE AZ MK 128 31 09.9 DX4921:UTM 11 - WHALE AZ MK 128 06 37.2 DX4921 DX4921|---------------------------------------------------------------------| DX4921| PID Reference Object Distance Geod. Az | DX4921| dddmmss.s | DX4921| WHALE RM 1 3.497 METERS 04903 | DX4921| WHALE AZ MK 1282859.1 | DX4921| WHALE RM 2 5.526 METERS 30934 | DX4921|---------------------------------------------------------------------| DX4921 DX4921 SUPERSEDED SURVEY CONTROL DX4921 DX4921 NAD 83(1986)- 33 01 45.88878(N) 116 18 58.10181(W) AD(1984.00) 1 DX4921 NAD 27 - 33 01 45.72118(N) 116 18 55.06564(W) AD( ) 1 DX4921 NGVD 29 - 1630.0 (m) 5348. (f) VERT ANG DX4921 DX4921.Superseded values are not recommended for survey control. DX4921.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX4921.See file dsdata.txt to determine how the superseded data were derived. DX4921 DX4921_MARKER: DD = SURVEY DISK DX4921_SETTING: 80 = SET IN A BOULDER DX4921 DX4921 HISTORY - Date Condition Recov. By DX4921 HISTORY - UNK MONUMENTED USGS DX4921 HISTORY - 1939 GOOD CGS DX4921 HISTORY - 1955 GOOD CGS DX4921 DX4921 STATION DESCRIPTION DX4921 DX4921'DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FGJ) DX4921'ON THE SUMMIT OF A FLAT RIDGE-LIKE PEAK AND THE HIGHEST POINT DX4921'OF THE VALLECITO MOUNTAINS, ON THE EASTERN PART OF THE HILL. DX4921'THE TOP IS COVERED BY A GROWTH OF PINON TREES AND OUTCROPS DX4921'OF LARGE GRANITE BOULDERS. IT IS ABOUT 8 MILES SOUTH OF DX4921'HIGHWAY 78 AND ABOUT 5 MILES NORTH-NORTHWEST OF THE OLD DX4921'VALLECITO STAGE STATION. DX4921' DX4921'REACHED FROM A POINT ON HIGHWAY 78, 12 MILES EAST OF JULIAN, DX4921'22.2 MILES WEST OF THE TOWN OF OCOTILLO ON HIGHWAY 78 (SIGN DX4921'JULIAN 12, MASON VALLEY 11, VALLECITO 19), BY GOING SOUTH ON DX4921'THE MASON VALLEY ROAD 4.2 MILES. TURN LEFT OFF THE MASON DX4921'VALLEY ROAD ONTO A ROAD HEADING TOWARD THE VALLECITO MOUNTAINS. DX4921'FOLLOW THE MAIN TRAVELED ROAD 4.0 MILES TO THE TOP OF THE DX4921'FIRST PASS. CONTINUE DOWN HILL INTO THE SANDY WASH AND THEN DX4921'SOUTH TO THE SUMMIT 1.7 MILES. THE STATION CANNOT BE SEEN DX4921'FROM HERE BUT LIES ABOUT 134 DEG MAGNETIC. PACK UP OVER DX4921'THE TIMBERED RIDGE TO THE RIGHT, THENCE ACROSS THE SADDLE DX4921'AND UP OVER THE LEFT END OF A FLAT TIMBERED HILL, THENCE DX4921'INTO ANOTHER SADDLE AND THEN FOLLOW THE ROUGH TIMBERED DX4921'RIDGES, SOUTH, TO THE HIGHEST POINT AND STATION. ABOUT A DX4921'2-HOUR PACK. DX4921' DX4921'STATION MARK IS A STANDARD U.S.G.S. BENCH MARK, SET IN A BOULDER DX4921'8 FEET HIGH AND 15 FEET LONG. REFERENCE AND AZIMUTH MARKS DX4921'ARE STANDARD BRONZE DISKS IN A BOULDER, NOTE 12C. DX4921' DX4921'AZIMUTH MARK IS LOCATED ABOUT 1/4 MILE SOUTHEAST OF THE STATION. DX4921'IT IS ON THE FIRST RIDGE SOUTH OF THE FIRST VALLEY, WHICH DX4921'CANNOT BE SEEN FROM THE STATION, IN A BOULDER LOCATED ON DX4921'THE EAST SIDE OF A U FORMED BY THE TREES. THERE IS A TALL DX4921'BOULDER SOUTHEAST OF THE MARK AND ON THE OPPOSITE SIDE OF THE DX4921'TREES. DX4921 DX4921 STATION RECOVERY (1955) DX4921 DX4921'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) DX4921'THE STATION MARK, REFERENCE MARKS 1 AND 2, AND AZIMUTH DX4921'MARK WERE RECOVERED AND FOUND TO BE IN GOOD CONDITION. DX4921'DIFFERENCES IN THE DIRECTIONS TO REFERENCE MARK 2 AND THE AZIMUTH DX4921'MARK WERE FOUND. REFERENCE MARK 1 WAS TOO CLOSE TO FOCUS DX4921'ON. A NEW DESCRIPTION FOLLOWS-- DX4921' DX4921'THE STATION IS LOCATED ON THE HIGHEST POINT OF THE VALLECITO DX4921'MOUNTAINS. IT IS ABOUT 45 MI. (AIRLINE) W OF BRAWLEY, 8 DX4921'MI. S OF STATE HIGHWAY 78, AND 5 MI. N-NW OF THE OLD VALLECITO DX4921'STAGE STATION. DX4921' DX4921'TO REACH THE STATION FROM OCOTILLO WELLS (ABOUT 18 MI. W OF DX4921'THE JUNCTION OF STATE HIGHWAY 78 AND U.S. HIGHWAY 99), GO DX4921'W ON STATE HIGHWAY 78 FOR 22.6 MI. TO A SIDE ROAD RIGHT AND DX4921'A WARNER SPRINGS 20 SIGN. CONTINUE AHEAD ON STATE DX4921'HIGHWAY 78 FOR 0.3 MI. TO A DIRT ROAD LEFT AND AN HISTORICAL DX4921'MARKER ON THE RIGHT SIDE OF THE ROAD. TURN LEFT (S) AND DX4921'GO 4.5 MI. TO A TRACK ROAD LEFT JUST BEFORE REACHING A ANZA DX4921'DESERT STATE PARK SIGN. TURN LEFT (E) ON THE TRACK ROAD AND DX4921'GO 4.1 MI. TO THE TOP OF A RIDGE. CONTINUE AHEAD FOR 0.8 DX4921'MI. TO THE TOP OF ANOTHER RIDGE AND A ROAD RIGHT. TURN DX4921'RIGHT (S) AND GO 0.3 MI. TO THE BASE OF THE HILL AND THE END DX4921'OF TRUCK TRAVEL AT A SMALL WASH. PACK S TO THE TOP OF A DX4921'HILL, THENCE SE (ABOUT 134 DEG MAGNETIC) TO THE HIGHEST DX4921'POINT AND THE STATION. THIS IS ABOUT A 2-1/2-HOUR PACK. DX4921' DX4921'THE STATION MARK IS A UNITED STATES GEOLOGICAL SURVEY DISK DX4921'THAT IS NOT STAMPED. IT IS SET IN A DRILL HOLE IN OUTCROPPING DX4921'BEDROCK THAT PROJECTS ABOUT 6 FT. DX4921' DX4921'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED WHALE USGS DX4921'NO 1 1939 AND SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS DX4921'ABOUT 6 FT. IT IS ABOUT 1 FT. HIGHER THAN THE STATION MARK. DX4921' DX4921'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED WHALE USGS DX4921'NO 2 1939 AND SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS DX4921'ABOUT 2 FT. IT IS ABOUT 3 FT. LOWER THAN THE STATION MARK. DX4921' DX4921'THE AZIMUTH MARK IS A STANDARD DISK, STAMPED WHALE USGS 1939 DX4921'AND SET IN A BOULDER THAT PROJECTS ABOUT 5 FT. IT IS LOCATED ON DX4921'THE FIRST RIDGE (ABOUT 0.25 MI.) SE OF THE STATION. DX4921' DX4921'OBSERVATIONS TAKEN FROM A 4-FT. STAND. *** retrieval complete. Elapsed Time = 00:00:04