National Geodetic Survey, Retrieval Date = NOVEMBER 13, 2001 DX4934 *********************************************************************** DX4934 DESIGNATION - WILSON DX4934 PID - DX4934 DX4934 STATE/COUNTY- CA/SAN DIEGO DX4934 USGS QUAD - TUBB CANYON (1965) DX4934 DX4934 *CURRENT SURVEY CONTROL DX4934 ___________________________________________________________________ DX4934* NAD 83(1992)- 33 10 38.21426(N) 116 26 01.34852(W) ADJUSTED DX4934* NAVD 88 - 1398.6 (meters) 4589. (feet) VERTCON DX4934 ___________________________________________________________________ DX4934 EPOCH DATE - 1991.35 DX4934 LAPLACE CORR- -8.32 (seconds) DEFLEC99 DX4934 GEOID HEIGHT- -32.15 (meters) GEOID99 DX4934 DX4934 HORZ ORDER - FIRST DX4934 DX4934.The horizontal coordinates were established by classical geodetic methods DX4934.and adjusted by the National Geodetic Survey in June 1996. DX4934.The horizontal coordinates are valid at the epoch date displayed above. DX4934.The epoch date for horizontal control is a decimal equivalence DX4934.of Year/Month/Day. DX4934 DX4934.The NAVD 88 height was computed by applying the VERTCON shift value to DX4934.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX4934 DX4934.The Laplace correction was computed from DEFLEC99 derived deflections. DX4934 DX4934.The geoid height was determined by GEOID99. DX4934 DX4934; North East Units Scale Converg. DX4934;SPC CA 6 - 612,094.660 1,982,867.051 MT 0.99995786 -0 06 03.4 DX4934;SPC CA 6 - 2,008,180.56 6,505,456.32 sFT 0.99995786 -0 06 03.4 DX4934;UTM 11 - 3,671,083.472 552,794.945 MT 0.99963437 +0 18 35.6 DX4934 DX4934: Primary Azimuth Mark Grid Az DX4934:SPC CA 6 - WILSON AZ MK 285 52 15.3 DX4934:UTM 11 - WILSON AZ MK 285 27 36.3 DX4934 DX4934|---------------------------------------------------------------------| DX4934| PID Reference Object Distance Geod. Az | DX4934| dddmmss.s | DX4934| WILSON RM 1 4.183 METERS 10919 | DX4934| WILSON RM 2 5.666 METERS 23906 | DX4934| WILSON AZ MK 2854611.9 | DX4934|---------------------------------------------------------------------| DX4934 DX4934 SUPERSEDED SURVEY CONTROL DX4934 DX4934 NAD 83(1986)- 33 10 38.21573(N) 116 26 01.34861(W) AD(1984.00) 1 DX4934 NAD 27 - 33 10 38.06455(N) 116 25 58.29225(W) AD( ) 1 DX4934 NGVD 29 - 1397.9 (m) 4586. (f) VERT ANG DX4934 DX4934.Superseded values are not recommended for survey control. DX4934.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX4934.See file dsdata.txt to determine how the superseded data were derived. DX4934 DX4934_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION DX4934_SETTING: 66 = SET IN ROCK OUTCROP DX4934 DX4934 HISTORY - Date Condition Report By DX4934 HISTORY - 1939 MONUMENTED CGS DX4934 HISTORY - 1955 SEE DESCRIPTION CGS DX4934 DX4934 STATION DESCRIPTION DX4934 DX4934'DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FGJ) DX4934'ON THE PROMINENT FLAT-TOPPED RIDGE THAT LIES BETWEEN GRAPEVINE DX4934'CANYON AND BORREGO VALLEY, ABOUT 13 MILES SOUTHEAST OF WARNER DX4934'HOT SPRINGS, AND 9 MILES NORTHEAST OF JULIAN. DX4934' DX4934'REACHED FROM A POINT ON HIGHWAY 78 THAT IS 15 MILES EAST DX4934'OF JULIAN, 3 MILES WEST OF THE BORREGO VALLEY ROAD, 18 MILES DX4934'WEST OF OCOTILLO, AND 2.3 MILES WEST OF A SIGN YAQUI WELL DX4934'1/2 MILE. TURN RIGHT OFF HIGHWAY. GO 0.2 MILE AND CROSS DX4934'WASH. CONTINUE ON THE MAIN TRAVELED ROAD UP WASH ALONG POWER DX4934'LINE FOR 11.2 MILES AND TURN RIGHT ON THE MONTEZUMA VALLEY DX4934'ROAD. GO 2.7 MILES TO THE RANCHEITA POST OFFICE. CONTINUE DX4934'EAST 0.8 MILE, TURN RIGHT, SOUTH, AT CROSS ROAD AND CATTLE DX4934'GUARD. GO 0.7 MILE AND TURN LEFT, EASTERLY, ON THE SOUTHERN DX4934'OF TWO TRACK ROADS AT THIS POINT. GO 1.3 MILES AND TURN DX4934'LEFT THROUGH WIRE GATE. GO 1.6 MILES TO A SMALL ROCKY BUMP DX4934'TO RIGHT OF ROAD. FROM THIS POINT YOU CAN IDENTIFY A DX4934'BARREN LOOKING HILL THAT LIES 130 DEG MAGNETIC (THE AZIMUTH DX4934'MARK IS ON THIS HILL) ALSO A DOME-SHAPED BOULDER THAT DX4934'LIES ON TOP OF THE HIGHEST PEAK ALONG THE RIDGE THAT IS DX4934'139-1/2 DEG MAGNETIC, ALSO A BALANCED ROCK (IDENTIFIED DX4934'ONLY WITH BINOCULARS) ON THE END OF A SHARP RIDGE 142 DEG DX4934'MAGNETIC. FROM HERE DRIVE ACROSS THE SMALL GRASSY DX4934'VALLEY IN THE GENERAL DIRECTION OF THE BEARINGS GIVEN ABOVE DX4934'TO THE MOUTH OF THE WASH AND THE END OF TRUCK TRAVEL. FROM DX4934'HERE HEAD UP WASH, KEEPING TO THE RIGHT OF THE BALANCED DX4934'ROCK MENTIONED ABOVE, AND THENCE TO THE LOWEST SADDLE DX4934'BETWEEN THE DOME ROCK AND THE BARREN HILL. (THE AZIMUTH DX4934'MARK IS ON THE HILL TO THE NORTHWEST OF THE SADDLE. IT IS ON DX4934'THE EAST SIDE OF THE HILL, IN A ROCK THAT IS 2 FEET HIGH DX4934'AND ABOUT 3 FEET SQUARE.) FROM THE SADDLE THE STATION DX4934'LIES 91 DEG MAGNETIC, ABOUT 1-1/4 MILES DISTANT. CONTINUE DX4934'ACROSS THE SAGE BRUSH FLAT IN AN EASTERLY DIRECTION TO THE DX4934'HIGHEST POINT AND STATION. A PACK OF 1-1/2 HOURS TO THE DX4934'AZIMUTH. 2-1/2 HOURS TO THE STATION. DX4934' DX4934'NOTE--THIS STATION IS AN EASY ONE TO GET LOST ON WHEN COMING DX4934'OFF AT NIGHT. EXTRA CARE SHOULD BE TAKEN IN NOTICING THE DX4934'ROUTE TO THE STATION. DX4934' DX4934'SURFACE, REFERENCE AND AZIMUTH MARKS ARE STANDARD BRONZE DISKS DX4934'IN OUTCROPPING BEDROCK, NOTES 2 AND 12A. DX4934 DX4934 STATION RECOVERY (1955) DX4934 DX4934'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) DX4934'THE STATION MARK, REFERENCE MARKS 1 AND 2, AND AZIMUTH MARK DX4934'WERE RECOVERED AND FOUND TO BE IN GOOD CONDITION. SLIGHT DX4934'DIFFERENCES IN THE DIRECTIONS TO REFERENCE MARKS 1 AND 2 DX4934'WERE NOTED. A NEW ROUTE AS GIVEN BELOW WAS FOUND TO THE DX4934'STATION. A NEW DESCRIPTION FOLLOWS-- DX4934' DX4934'THE STATION IS LOCATED ON A PROMINENT FLAT-TOPPED RIDGE DX4934'THAT LIES BETWEEN GRAPEVINE CANYON AND BORREGO VALLEY. IT DX4934'IS 13 MI. (AIRLINE) SE OF WARNER HOT SPRINGS, AND 9 MI. (AIRLINE) DX4934'NE OF JULIAN. DX4934' DX4934'TO REACH THE STATION FROM THE SMALL VILLAGE OF OCOTILLO WELLS DX4934'WHICH IS ABOUT 18 MI. W OF THE JUNCTION OF STATE HIGHWAY 78 DX4934'AND U.S. HIGHWAY 99, GO W ON STATE HIGHWAY 78 FOR 22.7 MI. DX4934'TO A PAVED ROAD RIGHT. TURN RIGHT (NW) AND GO 12.55 MI. TO DX4934'A FORK. TAKE THE RIGHT FORK (E) AND GO 5.45 MI. TO RANCHITA DX4934'STORE AND POST OFFICE ON THE LEFT. CONTINUE E ON THE PAVED DX4934'ROAD FOR 0.8 MI. TO A DIRT ROAD RIGHT AND A CATTLE GUARD. DX4934'TURN RIGHT (S) AND GO 0.7 MI. TO A FORK. TAKE THE LEFT FORK DX4934'(E) AND GO 1.35 MI. TO A FORK. TAKE THE LEFT FORK (E) DX4934'THROUGH A GATE AND GO 0.25 MI. TO A FORK. TAKE THE RIGHT DX4934'FORK (E) AND FOLLOW THE TRACK ROAD FOR 2.95 MI. TO THE DX4934'TOP OF A RIDGE AND THE AZIMUTH MARK ON THE LEFT. CONTINUE DX4934'E ON THE ROAD FOR 1.3 MI. TO THE END OF TRUCK TRAVEL. DX4934'PACK S UP THE RIDGE TO THE HIGHEST POINT AND THE STATION. DX4934'THIS IS A 15-MINUTE PACK. DX4934' DX4934'THE STATION MARK IS A STANDARD DISK, STAMPED WILSON 1939 AND DX4934'SET IN A DRILL HOLE IN A BOULDER WHICH IS FLUSH WITH THE GROUND. DX4934' DX4934'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED WILSON NO 1 DX4934'1939 AND SET IN A DRILL HOLE IN A BOULDER WHICH PROJECTS DX4934'18 IN. ABOVE THE GROUND. THE MARK IS ABOUT 2 FT. HIGHER DX4934'THAN THE STATION MARK. DX4934' DX4934'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED WILSON NO 2 DX4934'1939 AND SET IN A DRILL HOLE IN A BOULDER WHICH PROJECTS 2 DX4934'FT. ABOVE THE GROUND. THE MARK IS ABOUT 2 FT. HIGHER THAN DX4934'THE STATION MARK. DX4934' DX4934'THE AZIMUTH MARK IS A STANDARD DISK, STAMPED WILSON 1939 AND DX4934'SET IN A DRILL HOLE IN A BOULDER WHICH PROJECTS 3 FT. ABOVE DX4934'THE GROUND. IT IS 0.1 MI. NW OF A TRACK ROAD.