National Geodetic Survey, Retrieval Date = APRIL 25, 2000 DW0928 *********************************************************************** DW0928 DESIGNATION - LOS ANGELES DW0928 PID - DW0928 DW0928 STATE/COUNTY- AZ/LA PAZ DW0928 USGS QUAD - MIDDLE MTS NORTH (1986) DW0928 DW0928 *CURRENT SURVEY CONTROL DW0928 ___________________________________________________________________ DW0928* NAD 83(1992)- 33 05 17.16718(N) 114 19 14.76757(W) ADJUSTED DW0928* NAVD 88 - 405.3 (meters) 1330. (feet) VERTCON DW0928 ___________________________________________________________________ DW0928 LAPLACE CORR- 2.87 (seconds) DEFLEC99 DW0928 GEOID HEIGHT- -33.06 (meters) GEOID99 DW0928 DW0928 HORZ ORDER - SECOND DW0928 DW0928.The horizontal coordinates were established by classical geodetic methods DW0928.and adjusted by the National Geodetic Survey in August 1993. DW0928 DW0928.The NAVD 88 height was computed by applying the VERTCON shift value to DW0928.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW0928 DW0928.The Laplace correction was computed from DEFLEC99 derived deflections. DW0928 DW0928.The geoid height was determined by GEOID99. DW0928 DW0928; North East Units Scale Converg. DW0928;SPC AZ W - 231,674.149 160,076.093 MT 0.99996833 -0 18 41.8 DW0928;UTM 11 - 3,664,247.368 750,070.672 MT 1.00037111 +1 27 48.3 DW0928 DW0928: Primary Azimuth Mark Grid Az DW0928:SPC AZ W - LOS ANGELES AZ MK 069 15 33.9 DW0928:UTM 11 - LOS ANGELES AZ MK 067 29 03.8 DW0928 DW0928|---------------------------------------------------------------------| DW0928| PID Reference Object Distance Geod. Az | DW0928| dddmmss.s | DW0928| LOS ANGELES AZ MK 0685652.1 | DW0928| LOS ANGELES RM 1 8.019 METERS 15553 | DW0928| LOS ANGELES RM 2 5.678 METERS 32647 | DW0928| DW0921 CAIRN ON LOW RIDGE APPROX.10.7 KM 3514748.0 | DW0928|---------------------------------------------------------------------| DW0928 DW0928 SUPERSEDED SURVEY CONTROL DW0928 DW0928 NAD 83(1986)- 33 05 17.16769(N) 114 19 14.77282(W) AD( ) 2 DW0928 NAD 27 - 33 05 17.03100(N) 114 19 11.97300(W) AD( ) 2 DW0928 NGVD 29 - 404.6 (m) 1327. (f) VERT ANG DW0928 DW0928.Superseded values are not recommended for survey control. DW0928.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW0928.See file dsdata.txt to determine how the superseded data were derived. DW0928 DW0928_MARKER: DS = TRIANGULATION STATION DISK DW0928_SETTING: 66 = SET IN ROCK OUTCROP DW0928 DW0928 HISTORY - Date Condition Recov. By DW0928 HISTORY - 1949 MONUMENTED CGS DW0928 HISTORY - 1957 GOOD AMS DW0928 HISTORY - 1965 GOOD AMS DW0928 DW0928 STATION DESCRIPTION DW0928 DW0928'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (DHK) DW0928'THE STATION IS LOCATED ABOUT 40 MILES AIR LINE SOUTH OF QUARTZSITE, DW0928'ABOUT 35 MILES AIR LINE NORTHWEST OF YUMA, ABOUT 2 MILES AIR DW0928'LINE WEST OF STATE HIGHWAY 95. ON THE HIGHEST POINT IN THIS DW0928'VICINITY, WHICH IS VERY STEEP AND HAS WHAT APPEARS TO BE DW0928'VERTICAL CLIFFS ON THE EAST SIDE. THE STATION MARK IS 20 FEET DW0928'SOUTHEAST OF THE HIGHEST POINT AND A 4 FOOT CAIRN, FLUSH WITH DW0928'THE GROUND AND STAMPED, LOS ANGELES 1949. DW0928' DW0928'REFERENCE MARK NO. 1 IS APPROXIMATELY 2 FEET LOWER THAN THE DW0928'STATION MARK, FLUSH WITH THE GROUND AND STAMPED, LOS ANGELES DW0928'NO 1 1949. DW0928' DW0928'REFERENCE MARK NO. 2 IS APPROXIMATELY 18 INCHES HIGHER THAN DW0928'THE STATION MARK, FLUSH WITH THE GROUND AND STAMPED, LOS ANGELES DW0928'NO 2 1949. DW0928' DW0928'THE AZIMUTH MARK IS LOCATED ABOUT 0.3 MILE AIR LINE WEST OF DW0928'STATE HIGHWAY 95 ON THE SOUTHEAST END OF A LOW RIDGE, 200 YARDS DW0928'NORTHWEST OF FORK IN WASH, 6 FEET SOUTHWEST OF A WHITE WITNESS POST DW0928'IN CAIRN, FLUSH WITH THE GROUND AND STAMPED, LOS ANGELES 1949. DW0928' DW0928'TO REACH THE STATION FROM COUNTY WELL, WHICH IS ABOUT 25 MILES DW0928'NORTH OF YUMA ON STATE HIGHWAY 95, GO NORTH ON STATE HIGHWAY DW0928'95 FOR 19.0 MILES TO A WASH ON THE LEFT (ABOUT 0.4 MILE BEFORE DW0928'REACHING A SMALL BLACK KNOLL ON THE LEFT, WEST). HERE TURN DW0928'LEFT, WEST, INTO WASH AND GO 0.25 MILE TO RIDGE ON RIGHT AND DW0928'AZIMUTH AS DESCRIBED ABOVE. CONTINUE UP WASH FOR 0.3 MILE. DW0928'HERE TURN RIGHT OUT OF WASH ON DIM TRACK ROAD AND FOLLOW ROAD DW0928'FOR 0.2 MILE. HERE TURN LEFT, SOUTHWEST, TOWARD STATION DW0928'HILL AND GO ACROSS COUNTRY FOR ABOUT A MILE TO THE EAST SIDE DW0928'OF HILL AND THE END OF TRUCK TRAVEL. HERE PACK WEST TO THE DW0928'HIGHEST POINT AND STATION AS DESCRIBED ABOVE. A 15-MINUTE DW0928'PACK WITH A 4 WHEEL DRIVE VEHICLE. A 4 WHEEL DRIVE DW0928'VEHICLE WILL BE REQUIRED AFTER LEAVING STATE HIGHWAY 95. IT DW0928'IS A 1 1/2-HOUR PACK WITH A 2 WHEEL DRIVE VEHICLE. DW0928 DW0928 STATION RECOVERY (1957) DW0928 DW0928'RECOVERY NOTE BY US ARMY MAP SERVICE (NOW DMA) 1957 DW0928'STATION AND REFERENCE MARKS WERE RECOVERED AS DESCRIBED. IT DW0928'IS 38 FEET N OF A SHEER DROP-OFF. 31 FEET S OF THE HIGHEST DW0928'POINT OF THE PEAK AND SHEER DROP-OFF. 6 FEET E OF A DROP-OFF. DW0928'12 FEET WSW OF SHEER FACED DROP-OFF. 153 FEET ESE OF THE TOP DW0928'AND CENTER OF A SMALL PEAK AT CHANGE OF DIRECTION IN RIDGE. DW0928 DW0928 STATION RECOVERY (1965) DW0928 DW0928'RECOVERY NOTE BY US ARMY MAP SERVICE (NOW DMA) 1965 DW0928'STATION, REFERENCE MARKS 1 AND 2, AND AZIMUTH MARK WERE RECOVERED DW0928'IN GOOD CONDITION.