National Geodetic Survey, Retrieval Date = OCTOBER 27, 2004 JS3994 *********************************************************************** JS3994 DESIGNATION - DEVILS NOSE JS3994 PID - JS3994 JS3994 STATE/COUNTY- CA/CALAVERAS JS3994 USGS QUAD - DEVILS NOSE (1979) JS3994 JS3994 *CURRENT SURVEY CONTROL JS3994 ___________________________________________________________________ JS3994* NAD 83(1992)- 38 27 46.24577(N) 120 25 13.64695(W) ADJUSTED JS3994* NAVD 88 - 1465.3 (meters) 4807. (feet) VERTCON JS3994 ___________________________________________________________________ JS3994 EPOCH DATE - 1991.35 JS3994 LAPLACE CORR- 13.26 (seconds) DEFLEC99 JS3994 GEOID HEIGHT- -26.01 (meters) GEOID03 JS3994 JS3994 HORZ ORDER - THIRD JS3994 JS3994.The horizontal coordinates were established by classical geodetic methods JS3994.and adjusted by the National Geodetic Survey in March 1994. JS3994.The horizontal coordinates are valid at the epoch date displayed above. JS3994.The epoch date for horizontal control is a decimal equivalence JS3994.of Year/Month/Day. JS3994 JS3994.The NAVD 88 height was computed by applying the VERTCON shift value to JS3994.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS3994 JS3994.The Laplace correction was computed from DEFLEC99 derived deflections. JS3994 JS3994.The geoid height was determined by GEOID03. JS3994 JS3994; North East Units Scale Factor Converg. JS3994;SPC CA 3 - 717,850.327 2,006,942.319 MT 1.00000627 +0 02 55.3 JS3994;SPC CA 3 - 2,355,147.28 6,584,443.26 sFT 1.00000627 +0 02 55.3 JS3994;UTM 10 - 4,260,323.279 725,063.490 MT 1.00022384 +1 36 18.6 JS3994 JS3994! - Elev Factor x Scale Factor = Combined Factor JS3994!SPC CA 3 - 0.99977422 x 1.00000627 = 0.99978048 JS3994!UTM 10 - 0.99977422 x 1.00022384 = 0.99999800 JS3994 JS3994: Primary Azimuth Mark Grid Az JS3994:SPC CA 3 - ARMSTRONG USGS 019 37 41.9 JS3994:UTM 10 - ARMSTRONG USGS 018 04 18.6 JS3994 JS3994|---------------------------------------------------------------------| JS3994| PID Reference Object Distance Geod. Az | JS3994| dddmmss.s | JS3994| JS3945 ARMSTRONG USGS APPROX. 9.4 KM 0194037.2 | JS3994| DA8787 DEVILS NOSE RM 2 10.318 METERS 10327 | JS3994| DA8786 DEVILS NOSE RM 1 10.296 METERS 17758 | JS3994| JS3996 DEVILS KNOB 4.477 METERS 32802 | JS3994| CS6377 DEVILS NOSE RM 3 4.465 METERS 33112 | JS3994|---------------------------------------------------------------------| JS3994 JS3994 SUPERSEDED SURVEY CONTROL JS3994 JS3994 NAD 83(1986)- 38 27 46.22128(N) 120 25 13.64054(W) AD(1984.00) 3 JS3994 NAD 27 - 38 27 46.54687(N) 120 25 09.92388(W) AD( ) 3 JS3994 NGVD 29 (07/19/86) 1464.4 (m) 4804. (f) VERT ANG JS3994 JS3994.Superseded values are not recommended for survey control. JS3994.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS3994.See file dsdata.txt to determine how the superseded data were derived. JS3994 JS3994_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH2506360323(NAD 83) JS3994_MARKER: DD = SURVEY DISK JS3994_SETTING: 80 = SET IN A BOULDER JS3994_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS3994+STABILITY: SURFACE MOTION JS3994 JS3994 HISTORY - Date Condition Report By JS3994 HISTORY - 1949 MONUMENTED USGS JS3994 HISTORY - 1956 GOOD USGS JS3994 HISTORY - 1972 GOOD USGS JS3994 HISTORY - 1974 GOOD USGS JS3994 JS3994 STATION DESCRIPTION JS3994 JS3994'DESCRIBED BY US GEOLOGICAL SURVEY 1949 JS3994'LOCATED ABOUT 7.2 MI NE. OF WEST POINT, ABOUT 9.0 MI SW. OF JS3994'LUMBERYARD RANGER STATION. AT NORTHWEST END OF MOST WESTERLY OF JS3994'TWO PROMINENT, EQUALLY HIGH RIDGES, ABOUT 25 FT SE. OF MIDDLE OF JS3994'ABANDONED LOH. JS3994' JS3994'TO REACH FROM WEST POINT POST OFFICE, DRIVE 0.25 MI N. TO RD. JS3994'FORKS. TAKE RIGHT FORK 5.25 MI NE. ALONG PAVED RD. TO Y-RD. FORK. JS3994'TAKE LEFT FORK 0.55 MI TO RD. FORK. TAKE RIGHT FORK 1.85 MI TO JS3994'RD. FORK. TAKE LOGGING RD. LEFT 0.9 MI TO DIM RD. FORK. DRIVE NE. JS3994'OR N. UP RIDGE ON DIM RD. 0.2 MI TO END OF TRUCK TRAVEL. PACK UP JS3994'RIDGE N. ABOUT 0.3 MI TO TOP AND STATION. JS3994' JS3994'STATION MARK--STANDARD TABLET STAMPED---DEVILS NOSE 1949---, JS3994'CEMENTED IN TOP OF LARGE BOULDER. JS3994' JS3994'RM 1--STANDARD RM TABLET STAMPED---DEVILS NOSE NO 1 1949---, JS3994'CEMENTED IN LARGE ROCK. JS3994' JS3994'RM 2--STANDARD RM TABLET STAMPED---DEVILS NOSE NO 2 1949---, JS3994'CEMENTED IN ROCK OUTCROP. JS3994' JS3994'DEVILS KNOB VABM--USFS TABLET JS3994'STAMPED---DEVILS KNOB VABM ELEV 4808 REA 1938---, SET IN DRILL HOLE JS3994'IN ROCK. JS3994 JS3994 STATION RECOVERY (1956) JS3994 JS3994'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1956 JS3994'RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. JS3994 JS3994 STATION RECOVERY (1972) JS3994 JS3994'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 (RMB) JS3994'THE USGS BENCH MARK IS A BRASS BENCH MARK DISK, STAMPED DEVILS NOSE JS3994'1949, CEMENTED IN A DRILL HOLE IN A BOULDER AND IS LOCATED 16 FEET JS3994'SOUTHEAST OF AND 6 FEET LOWER THAN THE LARGE BOULDER THAT IS THE JS3994'TOP OF THE HILL, 14 FEET NORTHWEST OF AND 8 FEET HIGHER THAN THE JS3994'END OF THE ROAD AND IS 1.5 FEET LOWER THAN THE STATION. JS3994 JS3994 STATION RECOVERY (1974) JS3994 JS3994'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 JS3994'RECOVERED AS DESCRIBED. ALL MARKS IN GOOD JS3994'CONDITION. OCCUPIED FOR VERTICAL CONTROL ONLY. RMS NOT JS3994'MEASURED. RECOVERED AND REDESCRIBED. POSITION JS3994'COMPUTED FROM TIE TO 1972 STATION DEVILS NOSE CDH.