National Geodetic Survey, Retrieval Date = JANUARY 11, 2003 DW0989 *********************************************************************** DW0989 DESIGNATION - MCCOY MOUNTAIN DW0989 PID - DW0989 DW0989 STATE/COUNTY- CA/RIVERSIDE DW0989 USGS QUAD - MC COY PEAK (1983) DW0989 DW0989 *CURRENT SURVEY CONTROL DW0989 ___________________________________________________________________ DW0989* NAD 83(1992)- 33 41 21.11087(N) 114 50 40.59833(W) ADJUSTED DW0989* NAVD 88 - 864.8 (meters) 2837. (feet) VERTCON DW0989 ___________________________________________________________________ DW0989 EPOCH DATE - 1991.35 DW0989 LAPLACE CORR- 2.25 (seconds) DEFLEC99 DW0989 GEOID HEIGHT- -32.60 (meters) GEOID99 DW0989 DW0989 HORZ ORDER - FIRST DW0989 DW0989.The horizontal coordinates were established by classical geodetic methods DW0989.and adjusted by the National Geodetic Survey in June 1996. DW0989.The horizontal coordinates are valid at the epoch date displayed above. DW0989.The epoch date for horizontal control is a decimal equivalence DW0989.of Year/Month/Day. DW0989 DW0989.The NAVD 88 height was computed by applying the VERTCON shift value to DW0989.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DW0989 DW0989.The Laplace correction was computed from DEFLEC99 derived deflections. DW0989 DW0989.The geoid height was determined by GEOID99. DW0989 DW0989; North East Units Scale Converg. DW0989;SPC CA 6 - 669,733.099 2,130,300.122 MT 0.99997330 +0 46 20.2 DW0989;SPC CA 6 - 2,197,282.68 6,989,159.65 sFT 0.99997330 +0 46 20.2 DW0989;UTM 11 - 3,729,780.696 699,785.796 MT 1.00009209 +1 11 45.5 DW0989 DW0989: Primary Azimuth Mark Grid Az DW0989:SPC CA 6 - MCCOY MOUNTAIN AZ MK 083 12 41.8 DW0989:UTM 11 - MCCOY MOUNTAIN AZ MK 082 47 16.5 DW0989 DW0989|---------------------------------------------------------------------| DW0989| PID Reference Object Distance Geod. Az | DW0989| dddmmss.s | DW0989| CF1038 MCCOY MOUNTAIN AZ MK 0835902.0 | DW0989| DW0987 BLYTHE AAF FIELD BEACON APPROX.15.0 KM 1243806.7 | DW0989| CF1039 MCCOY MOUNTAIN RM 1 3.399 METERS 17343 | DW0989| CF1040 MCCOY MOUNTAIN RM 2 15.820 METERS 34641 | DW0989|---------------------------------------------------------------------| DW0989 DW0989 SUPERSEDED SURVEY CONTROL DW0989 DW0989 NAD 83(1992)- 33 41 21.11077(N) 114 50 40.59928(W) AD(1984.00) 1 DW0989 NAD 83(1986)- 33 41 21.11203(N) 114 50 40.60132(W) AD(1984.00) 1 DW0989 NAD 27 - 33 41 21.03400(N) 114 50 37.72800(W) AD( ) 1 DW0989 NGVD 29 - 864.1 (m) 2835. (f) VERT ANG DW0989 DW0989.Superseded values are not recommended for survey control. DW0989.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DW0989.See file dsdata.txt to determine how the superseded data were derived. DW0989 DW0989_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPT9978629781(NAD 83) DW0989_MARKER: DS = TRIANGULATION STATION DISK DW0989_SETTING: 66 = SET IN ROCK OUTCROP DW0989 DW0989 HISTORY - Date Condition Report By DW0989 HISTORY - 1948 MONUMENTED CGS DW0989 HISTORY - 1962 GOOD CGS DW0989 DW0989 STATION DESCRIPTION DW0989 DW0989'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (DHK) DW0989'STATION LOCATED ON HIGHEST POINT AND SOUTHERN END OF WHAT IS DW0989'LOCALLY KNOWN AS MC COY MOUNTAINS, ABOUT 15 MILES AIR LINE DW0989'WEST NORTHWEST OF BLYTHE, ABOUT 6 MILES AIR LINE NORTH OF DW0989'U.S. HIGHWAY 60 AND 70, SET FLUSH, AND STAMPED, MC COY MTN DW0989'1948. DW0989' DW0989'REFERENCE MARK NO. 1 IS ABOUT 1 FOOT LOWER THAN STATION, SET DW0989'FLUSH, AND STAMPED, MC COY MTN NO 1 1948. DW0989' DW0989'REFERENCE MARK NO. 2 IS ABOUT 15 FEET LOWER THAN STATION, DW0989'SET FLUSH, AND STAMPED, MC COY MTN NO 2 1948. DW0989' DW0989'AZIMUTH MARK IS ABOUT 10 FEET NORTHWEST OF END OF ROAD, PROJECTS DW0989'14 INCHES, AND STAMPED, MC COY MTN 1948. DW0989' DW0989'TO REACH FROM POST OFFICE IN BLYTHE, GO WEST ON U.S. HIGHWAY DW0989'60 AND 70 FOR 9.25 MILES TO A SIDE ROAD RIGHT. TURN RIGHT, DW0989'NORTH, ACROSS GRAVEL PIT, AND FOLLOW MAIN ROAD FOR 0.5 MILE DW0989'TO CROSSROAD. CONTINUE STRAIGHT AHEAD FOR 0.2 MILE TO CROSSROAD. DW0989'TURN LEFT, NORTH, AND GO 6.05 MILE TO DIM ROAD LEFT. TURN DW0989'LEFT. WEST AND FOLLOW BLADED TRACK FOR 2.3 MILE TO WHERE DW0989'BLADED TRACK CROSSES WASH. TURN LEFT, AND CONTINUE ON BLADED DW0989'TRACK FOR 1.6 MILE TO END OF ROAD AND END OF TRUCK TRAVEL. DW0989'(AZIMUTH MARK IS AT THIS POINT AS DESCRIBED ABOVE) FROM HERE DW0989'PACK WESTERLY CROSSING WASH TO ITS NORTH SIDE, THENCE UP DW0989'RIDGE TO HIGHEST POINT AND STATION AS DESCRIBED ABOVE. A DW0989'2-HOUR PACK. DW0989 DW0989 STATION RECOVERY (1962) DW0989 DW0989'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 (JJC) DW0989'THE STATION WAS RECOVERED AS DESCRIBED.