National Geodetic Survey, Retrieval Date = DECEMBER 15, 2003 DX5019 *********************************************************************** DX5019 DESIGNATION - BLACK MOUNTAIN DX5019 PID - DX5019 DX5019 STATE/COUNTY- CA/SAN DIEGO DX5019 USGS QUAD - MESA GRANDE (1988) DX5019 DX5019 *CURRENT SURVEY CONTROL DX5019 ___________________________________________________________________ DX5019* NAD 83(1992)- 33 09 35.77796(N) 116 48 28.95054(W) ADJUSTED DX5019* NAVD 88 - 1233.7 (meters) 4048. (feet) VERTCON DX5019 ___________________________________________________________________ DX5019 EPOCH DATE - 1991.35 DX5019 LAPLACE CORR- 6.37 (seconds) DEFLEC99 DX5019 GEOID HEIGHT- -31.87 (meters) GEOID99 DX5019 DX5019 HORZ ORDER - SECOND DX5019 DX5019.The horizontal coordinates were established by classical geodetic methods DX5019.and adjusted by the National Geodetic Survey in June 1996. DX5019.The horizontal coordinates are valid at the epoch date displayed above. DX5019.The epoch date for horizontal control is a decimal equivalence DX5019.of Year/Month/Day. DX5019 DX5019.The NAVD 88 height was computed by applying the VERTCON shift value to DX5019.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DX5019 DX5019.The Laplace correction was computed from DEFLEC99 derived deflections. DX5019 DX5019.The geoid height was determined by GEOID99. DX5019 DX5019; North East Units Scale Converg. DX5019;SPC CA 6 - 610,295.433 1,947,945.891 MT 0.99995873 -0 18 24.0 DX5019;SPC CA 6 - 2,002,277.60 6,390,885.81 sFT 0.99995873 -0 18 24.0 DX5019;UTM 11 - 3,669,034.350 517,899.524 MT 0.99960395 +0 06 18.0 DX5019 DX5019: Primary Azimuth Mark Grid Az DX5019:SPC CA 6 - BLACK MOUNTAIN AZ MK 011 24 08.5 DX5019:UTM 11 - BLACK MOUNTAIN AZ MK 010 59 26.5 DX5019 DX5019|---------------------------------------------------------------------| DX5019| PID Reference Object Distance Geod. Az | DX5019| dddmmss.s | DX5019| CE9803 BLACK MOUNTAIN AZ MK 0110544.5 | DX5019| CE9804 BLACK MOUNTAIN RM 1 8.082 METERS 13900 | DX5019| DX5020 BLACK MT LOT 4.760 METERS 19208 | DX5019| CE9805 BLACK MOUNTAIN RM 2 4.095 METERS 23449 | DX5019|---------------------------------------------------------------------| DX5019 DX5019 SUPERSEDED SURVEY CONTROL DX5019 DX5019 NAD 83(1986)- 33 09 35.77647(N) 116 48 28.95032(W) AD(1984.00) 2 DX5019 NAD 27 - 33 09 35.63145(N) 116 48 25.86353(W) AD( ) 2 DX5019 NGVD 29 (07/19/86) 1233.0 (m) 4045. (f) VERT ANG DX5019 DX5019.Superseded values are not recommended for survey control. DX5019.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DX5019.See file dsdata.txt to determine how the superseded data were derived. DX5019 DX5019_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SNS1790069034(NAD 83) DX5019_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION DX5019_SETTING: 66 = SET IN ROCK OUTCROP DX5019 DX5019 HISTORY - Date Condition Report By DX5019 HISTORY - 1939 MONUMENTED CGS DX5019 HISTORY - 20030519 POOR BLM DX5019 DX5019 STATION DESCRIPTION DX5019 DX5019'DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (ACT) DX5019'STATION IS ON PROMINENT BRUSH COVERED MOUNTAIN, SAME MOUNTAIN DX5019'AS FOREST SERVICE BLACK MOUNTAIN LOOKOUT, 3 MILES NE OF ALMOND, DX5019'2-1/2 MILES W OF MESA GRANDE, 9 MILES NNE OF RAMONA. DX5019' DX5019'STATION MARK IS A STANDARD BRONZE DISK WEDGED IN A DRILL HOLE DX5019'IN OUTCROPPING BEDROCK AS DESCRIBED IN NOTE 2. REFERENCE AND DX5019'AZIMUTH MARKS ARE STANDARD BRONZE DISKS IN OUTCROPPING BEDROCK DX5019'AS DESCRIBED IN NOTE 12A. DX5019' DX5019'STATION MARK IS STANDARD STATION DISK SET IN GRANITE BEDROCK DX5019'OUTCROP, NOTE 2, STAMPED BLACK MOUNTAIN 1939. DX5019' DX5019'REFERENCE MARK NO. 1 IS STANDARD REFERENCE DISK SET IN GRANITE DX5019'BEDROCK OUTCROP, NOTE 12A, SE OF STATION, STAMPED BLACK MOUNTAIN DX5019'NO. 1 1939. DX5019' DX5019'REFERENCE MARK NO. 2 IS STANDARD REFERENCE DISK SET IN NW CORNER DX5019'OF CONCRETE FOUNDATION OF LOOKOUT HOUSE, WSW OF STATION, STAMPED DX5019'BLACK MOUNTAIN NO. 1 1939. DX5019' DX5019'AZIMUTH MARK IS STANDARD AZIMUTH DISK SET IN BEDROCK OUTCROP, DX5019'NOTE 12A, 1 MILE NNE OF STATION, STAMPED BLACK MOUNTAIN 1939. DX5019' DX5019'ELEVATION OF STATION 4410 FEET ABOVE SEA LEVEL, BAROMETER NO. DX5019'212. DX5019' DX5019'TO REACH FROM MESO GRANDE, GO NW ON PAVEMENT 0.8 MILE AND TURN DX5019'LEFT JUST S OF SCHOOLHOUSE (FOREST SERVICE SIGN BLACK MOUNTAIN DX5019'TRUCK TRAIL), GO 0.4 MILE AND PASS THROUGH WOODEN GATE, GO 0.4 DX5019'MILE AND PASS THROUGH ANOTHER GATE, GO 0.05 MILE AND TAKE LEFT DX5019'FORK SIGN BLACK MOUNTAIN, GO 1.1 MILES AND PASS THROUGH POLE DX5019'GATE, GO 0.5 MILE AND PASS THROUGH WOODEN GATE, RANCH HOUSE ON DX5019'HILL TO LEFT OF ROAD, GO 0.3 MILE AND PASS THROUGH WIRE GATE DX5019'NEAR BARN, GO 0.4 MILE AND PASS THROUGH LOCKED GATE (FOREST DX5019'SERVICE KEY), GO 0.5 MILE AND TAKE LEFT FORK, SIGN BLACK DX5019'MOUNTAIN, GO 1.0 MILE TO SUMMIT AND STATION. DX5019 DX5019 STATION RECOVERY (2003) DX5019 DX5019'RECOVERY NOTE BY BUREAU OF LAND MANAGEMENT 2003 (DHH) DX5019'THE STATION MARK AND BOTH REFERENCE MARKS HAVE BEEN VANDALIZED. ONLY DX5019'THE BRASS STEMS OF THE MARKS REMAIN. AT THE STATION MARK THE TRIANGLE DX5019'IS STILL VISIBLE ON THE REMAINING STEM. DX5019' DX5019'THE AZIMUTH MARK WAS SEARCHED FOR, BUT NOT FOUND. DX5019' DX5019'TO REACH THE STATION, FROM THE INTERSECTION OF 7TH AND MAIN STREETS DX5019'IN RAMONA, CALIFORNIA GO NORTH ON 7TH STREET FOR 0.2 MI. AND MERGE TO DX5019'THE RIGHT ONTO ELM ST., CONTINUE FOR 1.3 MI. TO THE INTERSECTION WITH DX5019'HAVERFORD ROAD. DX5019'TURN RIGHT ONTO HAVERFORD AND CONTINUE 0.1 MI., THEN MAKE A LEFT TURN DX5019'ONTO PAMO ROAD. CONTINUE NORTH ON PAMO FOR 5.4 MILES TO FOREST DX5019'SERVICE ROAD NO. 2S07 ON THE RIGHT. DX5019'FOLLOW FS RD. 2S07 FOR 5 MILES TO THE PARKING LOT AT THE END OF THE DX5019'ROAD ATOP BLACK MT. DX5019'FROM THE PARKING LOT, FOLLOW THE TRAIL LEADING NORTH ALONG THE RIDGE DX5019'FOR 0.25 MILE TO THE OLD FIRE TOWER SITE. DX5019'THE FIRE TOWER HAS BEEN REMOVED. DX5019' DX5019'FOREST SERVICE RD. NO. 2S07 IS SEASONAL CLOSED IN THE WINTER. DX5019'