National Geodetic Survey, Retrieval Date = NOVEMBER 18, 2001 DC2074 *********************************************************************** DC2074 DESIGNATION - SAN MIGUEL RESET DC2074 PID - DC2074 DC2074 STATE/COUNTY- CA/SAN DIEGO DC2074 USGS QUAD - JAMUL MOUNTAINS (1994) DC2074 DC2074 *CURRENT SURVEY CONTROL DC2074 ___________________________________________________________________ DC2074* NAD 83(1992)- 32 41 47.08936(N) 116 56 11.03831(W) ADJUSTED DC2074* NAVD 88 - 783.1 (meters) 2569. (feet) VERTCON DC2074 ___________________________________________________________________ DC2074 EPOCH DATE - 1991.35 DC2074 LAPLACE CORR- 8.46 (seconds) DEFLEC99 DC2074 GEOID HEIGHT- -33.81 (meters) GEOID99 DC2074 DC2074 HORZ ORDER - FIRST DC2074 DC2074.The horizontal coordinates were established by classical geodetic methods DC2074.and adjusted by the National Geodetic Survey in June 1996. DC2074.The horizontal coordinates are valid at the epoch date displayed above. DC2074.The epoch date for horizontal control is a decimal equivalence DC2074.of Year/Month/Day. DC2074 DC2074.The NAVD 88 height was computed by applying the VERTCON shift value to DC2074.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DC2074 DC2074.The Laplace correction was computed from DEFLEC99 derived deflections. DC2074 DC2074.The geoid height was determined by GEOID99. DC2074 DC2074; North East Units Scale Converg. DC2074;SPC CA 6 - 558,962.582 1,935,634.439 MT 1.00001560 -0 22 37.9 DC2074;SPC CA 6 - 1,833,863.07 6,350,493.99 sFT 1.00001560 -0 22 37.9 DC2074;UTM 11 - 3,617,633.945 505,961.555 MT 0.99960044 +0 02 03.7 DC2074 DC2074: Primary Azimuth Mark Grid Az DC2074:SPC CA 6 - LYONS PEAK 088 13 46.7 DC2074:UTM 11 - LYONS PEAK 087 49 05.1 DC2074 DC2074|---------------------------------------------------------------------| DC2074| PID Reference Object Distance Geod. Az | DC2074| dddmmss.s | DC2074| DC2075 SAN MIGUEL RM 2 7.033 METERS 01543 | DC2074| SAN MIGUEL RM 3 15.906 METERS 04546 | DC2074| SAN MIGUEL RM 2 RM 15.888 METERS 04549 | DC2074| SAN MIGUEL RM 16.430 METERS 04550 | DC2074| SAN MIGUEL AZ MK 0471024.8 | DC2074| DC2039 LYONS PEAK APPROX.16.2 KM 0875108.8 | DC2074| SAN MIGUEL RM 4 5.936 METERS 09045 | DC2074| DC2073 SAN MIGUEL BEACON 5.706 METERS 14049 | DC2074| SAN MIGUEL RM 1 9.409 METERS 25218 | DC2074|---------------------------------------------------------------------| DC2074 DC2074 SUPERSEDED SURVEY CONTROL DC2074 DC2074 NAD 83(1986)- 32 41 47.08670(N) 116 56 11.03551(W) AD(1984.00) 1 DC2074 NAD 27 - 32 41 46.89300(N) 116 56 07.94790(W) AD( ) 1 DC2074 NGVD 29 - 782.4 (m) 2567. (f) VERT ANG DC2074 DC2074.Superseded values are not recommended for survey control. DC2074.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DC2074.See file dsdata.txt to determine how the superseded data were derived. DC2074 DC2074_MARKER: DS = TRIANGULATION STATION DISK DC2074_SETTING: 80 = SET IN A BOULDER DC2074_STAMPING: SAN MIGUEL 1878 1974 DC2074_MARK LOGO: CGS DC2074_PROJECTION: FLUSH DC2074_MAGNETIC: O = OTHER; SEE DESCRIPTION DC2074_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY DC2074 DC2074 HISTORY - Date Condition Report By DC2074 HISTORY - 1974 MONUMENTED NGS DC2074 HISTORY - 19840103 GOOD NGS DC2074 DC2074 STATION DESCRIPTION DC2074 DC2074'DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 (ATD) DC2074'THE STATION MARKS WERE RECOVERED IN MUTILATED CONDITION. J. GUMMOW DC2074'OF N.O.S. UPGRADED STATION AND REFERENCE MARKS. A NEW TO REACH DC2074'FOLLOWS. DC2074' DC2074'TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 94 AND DC2074'54, GO 0.4 MILE SOUTHEASTERLY ON HIGHWAY 94 TO STEEL CANYON DC2074'BRIDGE, CONTINUE 0.3 MILE TO A DIRT ROAD ON THE RIGHT. TURN DC2074'RIGHT (S) ON DIRT ROAD AND GO SOUTHERLY 1.35 MILES TO A T DC2074'INTERSECTION. TURN RIGHT (SW) AND FOLLOW POLE LINE 0.15 MILE DC2074'TO A DIRT ROAD ON THE LEFT AT THE INTERSECTION OF POLE LINES. DC2074'TURN LEFT (SE) AND FOLLOW GRADED ROAD 3.3 MILES TO HIGHEST POINT DC2074'OF SAN MIGUEL MT. AND THE STATION. DC2074' DC2074'STATION MARK IS A STANDARD DISK STAMPED SAN MIGUEL 1898-1974 DC2074'CEMENTED IN A ROCK OUTCROP 8 FT. BY 3 FT. PROJECTING 1.5 FT. DC2074'ABOUT 80 FT. EASTERLY OF A CONCRETE BLOCK BUILDING. DC2074' DC2074'REFERENCE MARK 1 HAS BEEN MUTILATED BY VANDALS BUT THE STEM OF THE DC2074'DISK REMAINS WITH ENOUGH OF THE DISK TO DETERMINE THE PUNCH DC2074'MARK. IT IS SET IN A ROCK OUTCROP 2 FT. SQ. PROJECTING 0.5 FT. DC2074'ABOUT 2 FT. LOWER THAN THE STATION MARK. DC2074' DC2074'REFERENCE MARK 2 IS IN THE SAME CONDITION AS R.M. 1. IT IS SET DC2074'IN A ROCK OUTCROP 1.5 FT. BY 2 FT. PROJECTING 0.3 FT. ABOUT 2 FT. DC2074'LOWER THAN THE STATION MARK. DC2074' DC2074'REFERENCE MARK 3 IS A STANDARD DISK STAMPED SAN MIGUEL 1898 DC2074'NO. 3 1974 CEMENTED IN A ROCK OUTCROP 5 FT. BY 7 FT. PROJECTING 3 DC2074'FT. ABOUT LEVEL WITH STATION MARK. DC2074' DC2074'REFERENCE MARK 4 IS A STANDARD DISK STAMPED SAN MIGUEL 1898 DC2074'NO. 4 1974 CEMENTED IN A ROCK OUTCROP 5 FT. BY 3 FT. PROJECTING 1 DC2074'FT. ABOUT LEVEL WITH STATION MARK. DC2074' DC2074'AZIMUTH MARK WAS NOT FOUND. DC2074' DC2074'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--4 MILES DC2074'SOUTHWEST OF JAMUL. DC2074 DC2074 STATION RECOVERY (1984) DC2074 DC2074'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1984 (CLN) DC2074'THE STATION, REFERENCE MARK 3 AND THE STEMS OF REFERENCE MARKS 1 AND DC2074'2, WERE RECOVERED. REFERENCE MARK 4 HAS BEEN DESTROYED. THE DISTANCE DC2074'TO REFERENCE MARK 3 AGREED WITH THE PREVIOUS OBSERVATIONS. SAN MIGUEL DC2074'2 AND SAN MIGUEL 2 REFERENCE MARK 5 WERE ESTABLISHED AT THIS TIME. IT DC2074'IS ANTICIPATED THAT THE STATION WILL BE DESTROYED IN THE NEAR FUTURE. DC2074'FOR DESCRIPTIVE DATA SEE SAN MIGUEL 2.