National Geodetic Survey, Retrieval Date = NOVEMBER 24, 2002 DW1485 *********************************************************************** DW1485 DESIGNATION - OROCOPIA DW1485 PID - DW1485 DW1485 STATE/COUNTY- CA/RIVERSIDE DW1485 USGS QUAD - OROCOPIA CANYON (1974) DW1485 DW1485 *CURRENT SURVEY CONTROL DW1485 ___________________________________________________________________ DW1485* NAD 83(1992)- 33 34 08.63292(N) 115 46 47.23590(W) ADJUSTED DW1485* NAVD 88 - 1164.0 (meters) 3819. (feet) VERTCON DW1485 ___________________________________________________________________ DW1485 EPOCH DATE - 1991.35 DW1485 LAPLACE CORR- 2.31 (seconds) DEFLEC99 DW1485 GEOID HEIGHT- -32.74 (meters) GEOID99 DW1485 DW1485 HORZ ORDER - FIRST DW1485 DW1485.The horizontal coordinates were established by classical geodetic methods DW1485.and adjusted by the National Geodetic Survey in June 1996. DW1485.The horizontal coordinates are valid at the epoch date displayed above. DW1485.The epoch date for horizontal control is a decimal equivalence DW1485.of Year/Month/Day. DW1485 DW1485.The NAVD 88 height was computed by applying the VERTCON shift value to DW1485.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW1485 DW1485.The Laplace correction was computed from DEFLEC99 derived deflections. DW1485 DW1485.The geoid height was determined by GEOID99. DW1485 DW1485; North East Units Scale Converg. DW1485;SPC CA 6 - 655,629.196 2,043,656.805 MT 0.99996253 +0 15 30.2 DW1485;SPC CA 6 - 2,151,010.12 6,704,897.37 sFT 0.99996253 +0 15 30.2 DW1485;UTM 11 - 3,715,043.286 613,253.138 MT 0.99975813 +0 40 29.2 DW1485 DW1485: Primary Azimuth Mark Grid Az DW1485:SPC CA 6 - OROCOPIA AZ MK 018 13 48.8 DW1485:UTM 11 - OROCOPIA AZ MK 017 48 49.8 DW1485 DW1485|---------------------------------------------------------------------| DW1485| PID Reference Object Distance Geod. Az | DW1485| dddmmss.s | DW1485| CE9965 OROCOPIA RM 3 0060304.0 | DW1485| CE9962 OROCOPIA AZ MK 0182919.0 | DW1485| DW1478 SHAVERS SUMMIT AVIATION BEACON APPROX.11.9 KM 0265135.7 | DW1485| DW1479 LOS ANGELES PHOENIX AWY BCN 15 APPROX.11.9 KM 0265232.8 | DW1485| DW1484 IRON PIPE NEAR OROCOPIA 1939 3.912 METERS 13831 | DW1485| CE9960 OROCOPIA RM 1 7.125 METERS 17331 | DW1485| CE9963 OROCOPIA RM 1 PIN 6.388 METERS 19226 | DW1485| CE9961 OROCOPIA RM 2 4.865 METERS 27641 | DW1485| CE9964 OROCOPIA RM 2 PIN 8.784 METERS 28441 | DW1485| DW1487 MECCA HILLS AIRWAY BEACON APPROX.21.6 KM 2972452.8 | DW1485|---------------------------------------------------------------------| DW1485 DW1485 SUPERSEDED SURVEY CONTROL DW1485 DW1485 NAD 83(1986)- 33 34 08.63899(N) 115 46 47.24184(W) AD(1984.00) 1 DW1485 NAD 27 - 33 34 08.55356(N) 115 46 44.26765(W) AD( ) 1 DW1485 NGVD 29 - 1163.3 (m) 3817. (f) VERT ANG DW1485 DW1485.Superseded values are not recommended for survey control. DW1485.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW1485.See file dsdata.txt to determine how the superseded data were derived. DW1485 DW1485_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPT1325315043(NAD 83) DW1485_MARKER: DD = SURVEY DISK DW1485_SETTING: 66 = SET IN ROCK OUTCROP DW1485 DW1485 HISTORY - Date Condition Report By DW1485 HISTORY - 1931 MONUMENTED MWDSC DW1485 HISTORY - 1934 GOOD CGS DW1485 HISTORY - 1939 GOOD CGS DW1485 HISTORY - 1941 GOOD CGS DW1485 HISTORY - 1955 GOOD CGS DW1485 HISTORY - 1955 GOOD USE DW1485 HISTORY - 1967 GOOD CGS DW1485 DW1485 STATION DESCRIPTION DW1485 DW1485'DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (CP) DW1485'ABOUT 17 MILES EAST OF MECCA, 7 MILES SOUTH-SOUTHWEST OF DW1485'SHAVERS SUMMIT, AND ON HIGHEST POINT OF OROCOPIA MOUNTAINS. DW1485'TO REACH FROM SHAVERS SUMMIT, GO WEST 4.0 MILES ON UNITED DW1485'STATES ROUTE 60 OR 0.2 MILE WEST OF POLE LINE CROSSING HIGHWAY, DW1485'TURN LEFT AND FOLLOW FAINT TRACKS ACROSS COUNTRY 4.0 MILES, DW1485'TURN RIGHT AND GO SOUTHWEST 0.2 MILE, ENTER WASH AND GO ABOUT DW1485'0.5 MILE TO END OF TRUCK TRAVEL, CONTINUE TO HEAD OF WASH DW1485'AND BEAR SOUTHEAST ALONG RIDGE TO HIGHEST POINT AND STATION DW1485'SITE. MARKED BY BRONZE DISK IN ROCK. RERERENCE DW1485'MARKS OF METROPOLITAN WATER DISTRICT OF SOUTHERN CALIFORNIA DW1485'ARE IRON PIPES WITH COPPER TACKS MARKING CENTERS IN DW1485'IRREGULAR MASSES OF CONCRETE. NO. 1 IS 6.394 METERS (20.98 DW1485'FEET) FROM STATION S 12 DEG 26 MIN W. NO. 2 IS DW1485'8.832 METERS (28.98 FEET) FROM STATION N 75 DEG 17 MIN W. DW1485'IN 1934 TWO STANDARD REFERENCE DISKS IN ROCK DW1485'OUTCROPS WERE ESTABLISHED. NO. 1 IS 7.185 DW1485'METERS (23.57 FEET) FROM STATION S 6 DEG 31 MIN E. DW1485'NO. 2 IS 4.88 METERS (16.0 FEET) FROM STATION N 83 DEG DW1485'16 MIN W. AZIMUTH FROM STATION TO SHAVERS SUMMIT, AIRWAY DW1485'BEACON, IS N 26 DEG 52 MIN E. DW1485 DW1485 STATION RECOVERY (1939) DW1485 DW1485'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1939 (FGJ) DW1485'STATION WAS FOUND AS DESCRIBED IN THE ORIGINAL DESCRIPTION. DW1485'THE MEASUREMENTS TO THE REFERENCE MARKS COULD NOT BE CHECKED. DW1485'AN AZIMUTH MARK WAS ESTABLISHED THIS YEAR. DW1485' DW1485'STATION IS LOCATED ABOUT 17 MILES EAST OF MECCA, AND 7 MILES DW1485'SOUTH-SOUTHWEST OF SHAVERS SUMMIT, AND ON THE HIGHEST POINT DW1485'OF THE OROCOPIA MOUNTAINS. REACHED FROM THE POST OFFICE DW1485'IN MECCA BY GOING SOUTH ONE BLOCK, THENCE EASTERLY ON THE DW1485'PAVED ROAD (OLD U.S. 60) FOR 19.85 MILES TO A DIM SIDE ROAD DW1485'RIGHT. THIS POINT IS 0.2 MILE WEST OF THE JUNCTION OF THE DW1485'MECCA ROAD AND U.S. HIGHWAY 60, WHICH IS 4 MILES WEST OF DW1485'SHAVERS SUMMIT. THE STATION PEAK IS VISIBLE FROM HERE AT 161 DW1485'DEG MAGNETIC. IT IS THE DOME-SHAPE PEAK AND THE HIGHEST DW1485'POINT ALONG THE SKY LINE. FOLLOW THE DIM TRACKS ACROSS COUNTRY DW1485'TOWARD THE PEAK 4.75 MILES TO THE END OF TRUCK TRAVEL AT DW1485'THE EAST EDGE OF THE MAIN WASH AND THE NORTH END OF A DW1485'SMALL RIDGE. FROM HERE THE STATION IS ALSO VISIBLE AT DW1485'170 DEG MAGNETIC. TRUCK WAS DRIVEN 0.5 MILE FARTHER BY DW1485'DROPPING INTO THE WASH ON RIGHT, THENCE UP THE FIRST RIDGE DW1485'ACROSS THE FIRST DEEP NARROW GULLY. START PACKING, AT DW1485'EITHER OF THE ENDS OF TRUCK TRAVEL, BY DROPPING INTO THE DW1485'WASH ON THE RIGHT AND FOLLOW THE MAIN WASH TO ITS HEAD DW1485'IN THE SADDLE AND DIVIDE, THENCE LEFT ALONG THE RIDGE TO DW1485'THE HIGHEST POINT AND STATION. DW1485' DW1485'THE STATION MARK IS A BRONZE DISK OF THE METROPOLITAN WATER DW1485'DISTRICT OF SOUTHERN CALIFORNIA, SET IN ROCK OUTCROP, AND DW1485'STAMPED OROCOPIA 1931. THE M.W.D. REFERENCE MARKS ARE IRON DW1485'PIPES WITH COPPER TACKS MARKING THE CENTER AND ARE IN IRREGULAR DW1485'MASSES OF CONCRETE. REFERENCE MARKS NOS. 1 AND 2 ARE STANDARD DW1485'DISKS DESCRIBED, AND ARE STAMPED OROCOPIA 1934 DW1485'M W D. DW1485' DW1485'AZIMUTH MARK IS DESCRIBED, IS STAMPED OROCOPIA DW1485'1939 M W D, AND IS LOCATED ABOUT 0.35 MILE NORTH-NORTHEAST DW1485'OF THE STATION, ON A HILL ABOUT 200 FEET LOWER THAN THE STATION. DW1485'THIS HILL IS ON THE RIDGE FOLLOWED FROM THE SADDLE TO THE STATION. DW1485' DW1485'THE OBJECT A P NO. 28 IS A TEMPORARY POINT, A WOOD STAKE DW1485'WITH TACK, PRESUMABLY OF G.L.O. ORIGIN, AND IS STATIONED DW1485'234+55 WITH ELEVATION 3819.2. DW1485' DW1485'THE 1-INCH IRON PIPE WITH SMALL HOLE IN CAP IS WEDGED IN PLACE DW1485'BY ROCKS, AND PROJECTS ABOUT 4 INCHES ABOVE THE GROUND. ORIGIN DW1485'UNKNOWN. DW1485 DW1485 STATION RECOVERY (1941) DW1485 DW1485'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1941 (JCS) DW1485'STATION WAS RECOVERED AS DESCRIBED IN 1939, WHICH WAS FOUND TO DW1485'BE SATISFACTORY EXCEPT THAT STATION IS NOT THE HIGHEST PEAK DW1485'ALONG SKYLINE WHEN VIEWED FROM THE POINT 0.2 MILE FROM U.S. DW1485'HIGHWAY 60. IT IS TO THE E OF THE APPARENT HIGHEST POINT. DW1485'THE TRACK ROAD LEAVING THE PAVEMENT IS VERY DIM AND IS DIFFICULT DW1485'TO FOLLOW. DW1485' DW1485'STATION AND REFERENCE MARKS WERE FOUND IN GOOD CONDITION, DW1485'BUT HORIZONTAL MEASUREMENTS DID NOT CHECK MOST OF THOSE DW1485'MADE PREVIOUSLY. CONDITIONS WERE GOOD AT THE TIME THE MEASUREMENTS DW1485'BELOW WERE MADE, SO IT IS BELIEVED THEY ARE ACCURATE AND DW1485'SHOULD BE TAKEN IN PREFERENCE TO THE FORMER ONES. DW1485 DW1485 STATION RECOVERY (1955) DW1485 DW1485'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) DW1485'THE STATION, REFERENCE MARKS 1, 2, AZIMUTH MARK, REFERENCE DW1485'MARKS 1, 2, (MWD OF SC) AND THE 1-INCH PIPE WITH CAP WERE DW1485'RECOVERED AS DESCRIBED IN 1939 AND IN GOOD CONDITION. THE DW1485'DIRECTIONS AND DISTANCES TO THE MARKS CHECKED THE PREVIOUS DW1485'DATA. THE PREVIOUS DESCRIPTION OF THE ROUTE TO STATION IS DW1485'ADEQUATE, HOWEVER, DUE TO CHANGES IN THE DESIGNATION OF THE DW1485'HIGHWAYS, THE COMPLETE ROUTE TO THE STATION FOLLOWS-- DW1485' DW1485'TO REACH FROM THE POST OFFICE IN MECCA, GO EASTERLY ON STATE DW1485'HIGHWAY 195 FOR 19.9 MILES TO A TRACK ROAD LEADING SOUTH OFF DW1485'THE HIGHWAY. THIS POINT IS 0.1 MILE WEST OF THE JUNCTION OF DW1485'U.S. HIGHWAYS 60 AND 70. THE STATION PEAK IS VISIBLE FROM DW1485'HERE AT 161 DEG (MAG.). FOLLOW THE TRACK ROAD SOUTHERLY FOR DW1485'1.0 MILE TO A TRIPLE FORK. CONTINUE SOUTH-SOUTHEAST ON THE DW1485'MIDDLE FORK FOR 3.7 MILES TO THE EAST EDGE OF A LARGE WASH DW1485'AT THE NORTH END OF A SMALL RIDGE. FROM HERE THE STATION PEAK DW1485'IS VISIBLE AT 170 DEG (MAG.). A 4-WHEEL DRIVE TRUCK WAS DW1485'DRIVEN 0.8 MILE FARTHER BY DROPPING INTO THE WASH, THEN DW1485'TURNING SHARP LEFT, EAST, THEN SOUTH, FOLLOWING DW1485'SOUTHERLY ALONG THE RIDGE ON THE EAST SIDE OF THE WASH TO DW1485'THE END OF TRUCK TRAVEL. FROM HERE THE STATION PEAK IS ALSO DW1485'VISIBLE AT ABOUT 175 DEG (MAG.). START PACKING IN THE DW1485'WASH ON THE RIGHT AND FOLLOW THE MAIN WASH TO ITS HEAD IN THE DW1485'SADDLE AND DIVIDE, THENCE LEFT ALONG THE RIDGE TO THE DW1485'HIGHEST POINT AND STATION. A 2-HOUR PACK. DW1485' DW1485'NOTE--THE AZIMUTH MARK IS ENROUTE, ABOUT 0.35 MILE NORTH-NORTHEAST DW1485'OF THE STATION. ON A SMALL HILL ABOUT 200 FEET LOWER THAN DW1485'THE STATION. DW1485 DW1485 STATION RECOVERY (1955) DW1485 DW1485'RECOVERY NOTE BY US ENGINEERS 1955 DW1485'STATION RECOVERED AS DESCRIBED. DESCRIPTION ADEQUATE. REFERENCE DW1485'MARK 1 AND 2 RECOVERED IN GOOD CONDITION. LINE OF SIGHT CLEAR DW1485'IN ALL DIRECTIONS WHEN OCCUPIED WITH T-2 TRIPOD. TOP OF MARK DW1485'IS FLUSH IN BOULDER AND AT THE SAME LEVEL AS GROUND. DW1485 DW1485 STATION RECOVERY (1967) DW1485 DW1485'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (CAA) DW1485'THE STATION MARK, REFERENCE MARKS AND THE AZIMUTH MARK WERE DW1485'RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION. THE ROUTE DW1485'TO THE STATION IS ADEQUATE. DW1485' DW1485'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN DW1485'26 MILES NORTHWEST OF NILAND.