National Geodetic Survey, Retrieval Date = OCTOBER 28, 1999 JR1125 *********************************************************************** JR1125 DESIGNATION - DISASTER PK JR1125 PID - JR1125 JR1125 STATE/COUNTY- CA/ALPINE JR1125 USGS QUAD - DISASTER PEAK (1980) JR1125 JR1125 *CURRENT SURVEY CONTROL JR1125 ___________________________________________________________________ JR1125* NAD 83(1992)- 38 26 55.33296(N) 119 44 01.50708(W) ADJUSTED JR1125* NAVD 88 - 3063.8 (meters) 10052. (feet) VERTCON JR1125 ___________________________________________________________________ JR1125 EPOCH DATE - 1991.35 JR1125 LAPLACE CORR- 2.65 (seconds) DEFLEC99 JR1125 GEOID HEIGHT- -23.98 (meters) GEOID99 JR1125 JR1125 HORZ ORDER - THIRD JR1125 JR1125.The horizontal coordinates were established by classical geodetic methods JR1125.and adjusted by the National Geodetic Survey in March 1994. JR1125.The horizontal coordinates are valid at the epoch date displayed above. JR1125.The epoch date for horizontal control is a decimal equivalence JR1125.of Year/Month/Day. JR1125 JR1125.The NAVD 88 height was computed by applying the VERTCON shift value to JR1125.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JR1125 JR1125.The Laplace correction was computed from DEFLEC99 derived deflections. JR1125 JR1125.The geoid height was determined by GEOID99. JR1125 JR1125; North East Units Scale Converg. JR1125;SPC CA 2 - 1,933,322.15 7,210,634.95 sFT 0.99997584 +1 25 43.7 JR1125;SPC CA 2 - 589,277.770 2,197,805.929 MT 0.99997584 +1 25 43.7 JR1125;UTM 11 - 4,259,142.004 261,432.953 MT 1.00030096 -1 42 02.5 JR1125 JR1125: Primary Azimuth Mark Grid Az JR1125:SPC CA 2 - WHITE 127 19 50.7 JR1125:UTM 11 - WHITE 130 27 36.9 JR1125 JR1125|---------------------------------------------------------------------| JR1125| PID Reference Object Distance Geod. Az | JR1125| dddmmss.s | JR1125| DISASTER PK RM 1 10.150 METERS 07143 | JR1125| JR1123 WHITE APPROX.14.2 KM 1284534.4 | JR1125| DISASTER PK RM 2 9.421 METERS 25554 | JR1125|---------------------------------------------------------------------| JR1125 JR1125 SUPERSEDED SURVEY CONTROL JR1125 JR1125 NAD 83(1986)- 38 26 55.29779(N) 119 44 01.51198(W) AD(1984.00) 3 JR1125 NAD 27 - 38 26 55.61917(N) 119 43 57.87300(W) AD( ) 3 JR1125 NGVD 29 - 3062.3 (m) 10047. (f) VERT ANG JR1125 JR1125.Superseded values are not recommended for survey control. JR1125.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JR1125.See file dsdata.txt to determine how the superseded data were derived. JR1125 JR1125_MARKER: DD = SURVEY DISK JR1125_SETTING: 80 = SET IN A BOULDER JR1125 JR1125 HISTORY - Date Condition Recov. By JR1125 HISTORY - 1956 MONUMENTED USGS JR1125 HISTORY - 1974 GOOD USGS JR1125 JR1125 STATION DESCRIPTION JR1125 JR1125'DESCRIBED BY US GEOLOGICAL SURVEY 1956 JR1125'LOCATED ABOUT 23 MI NE. OF PINECREST, 10 MI NW. OF SONORA PASS, JR1125'33 FT W. AND 5 FT LOWER THAN HIGH POINT OF DISASTER PK. JR1125' JR1125'STATION REACHED BY HELICOPTER. JR1125' JR1125'STATION MARK--STANDARD TABLET STAMPED---DISASTER PK 1956---, SET IN JR1125'BOULDER. JR1125' JR1125'RM 1--STANDARD RM TABLET STAMPED---NO 1 1956---, CEMENTED IN ROCK JR1125'OUTCROP, 5.0 FT ABOVE STATION MARK. JR1125' JR1125'RM 2--STANDARD RM TABLET STAMPED---NO 2 1956---, CEMENTED IN JR1125'BOULDER, 11.6 FT BELOW STATION MARK. JR1125 JR1125 STATION RECOVERY (1974) JR1125 JR1125'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 JR1125'RECOVERED AS DESCRIBED. STATION REACHED BY JR1125'HELICOPTER. ALL MARKS IN GOOD CONDITION. RMS NOT MEASURED. JR1125'OCCUPIED FOR VERTICAL AND HORIZONTAL SCALING CONTROL ONLY.