1 National Geodetic Survey, Retrieval Date = OCTOBER 3, 2005 JR1281 *********************************************************************** JR1281 DESIGNATION - ROUND MTN JR1281 PID - JR1281 JR1281 STATE/COUNTY- CA/MONO JR1281 USGS QUAD - RISUE CANYON (1988) JR1281 JR1281 *CURRENT SURVEY CONTROL JR1281 ___________________________________________________________________ JR1281* NAD 83(1998)- 38 36 52.17831(N) 119 27 06.64273(W) ADJUSTED JR1281* NAVD 88 - 1770.9 (meters) 5810. (feet) GPS OBS JR1281 ___________________________________________________________________ JR1281 EPOCH DATE - 2004.69 JR1281 X - -2,454,285.972 (meters) COMP JR1281 Y - -4,346,455.193 (meters) COMP JR1281 Z - 3,960,058.031 (meters) COMP JR1281 LAPLACE CORR- 3.95 (seconds) DEFLEC99 JR1281 ELLIP HEIGHT- 1746.39 (meters) (09/13/05) GPS OBS JR1281 GEOID HEIGHT- -24.70 (meters) GEOID03 JR1281 JR1281 HORZ ORDER - A JR1281 ELLP ORDER - FOURTH CLASS I JR1281 JR1281.The horizontal coordinates were established by GPS observations JR1281.and adjusted by the National Geodetic Survey in September 2005. JR1281.This is a SPECIAL STATUS position. See SPECIAL STATUS under the JR1281.DATUM ITEM on the data sheet items page. JR1281.The horizontal coordinates are valid at the epoch date displayed above. JR1281.The epoch date for horizontal control is a decimal equivalence JR1281.of Year/Month/Day. JR1281 JR1281.The orthometric height was determined by GPS observations and a JR1281.high-resolution geoid model. JR1281 JR1281.The X, Y, and Z were computed from the position and the ellipsoidal ht. JR1281 JR1281.The Laplace correction was computed from DEFLEC99 derived deflections. JR1281 JR1281.The ellipsoidal height was determined by GPS observations JR1281.and is referenced to NAD 83. JR1281 JR1281.The geoid height was determined by GEOID03. JR1281 JR1281; North East Units Scale Factor Converg. JR1281;SPC CA 3 - 735,192.948 2,091,290.511 MT 1.00004270 +0 38 30.2 JR1281;SPC CA 3 - 2,412,045.53 6,861,175.62 sFT 1.00004270 +0 38 30.2 JR1281;SPC NV W - 4,429,164.822 724,364.307 MT 0.99997043 -0 32 31.4 JR1281;UTM 11 - 4,276,849.438 286,528.625 MT 1.00016121 -1 31 50.6 JR1281 JR1281! - Elev Factor x Scale Factor = Combined Factor JR1281!SPC CA 3 - 0.99972606 x 1.00004270 = 0.99976875 JR1281!SPC NV W - 0.99972606 x 0.99997043 = 0.99969650 JR1281!UTM 11 - 0.99972606 x 1.00016121 = 0.99988723 JR1281 JR1281 SUPERSEDED SURVEY CONTROL JR1281 JR1281 NAD 83(1986)- 38 36 52.15836(N) 119 27 06.62371(W) AD(1984.00) 1 JR1281 NAD 83(1992)- 38 36 52.17400(N) 119 27 06.63766(W) AD(1991.35) B JR1281 ELLIP H (05/15/92) 1746.48 (m) GP(1991.35) 4 2 JR1281 JR1281.Superseded values are not recommended for survey control. JR1281.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JR1281.See file dsdata.txt to determine how the superseded data were derived. JR1281 JR1281_U.S. NATIONAL GRID SPATIAL ADDRESS: 11SKC8652976849(NAD 83) JR1281_MARKER: DD = SURVEY DISK JR1281_SETTING: 80 = SET IN A BOULDER JR1281_SP_SET: IN DRILL HOLE IN A BOULDER JR1281_STAMPING: ROUND MTN JR1281_MARK LOGO: CADT JR1281_MAGNETIC: N = NO MAGNETIC MATERIAL JR1281_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JR1281+STABILITY: SURFACE MOTION JR1281_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JR1281+SATELLITE: SATELLITE OBSERVATIONS - October 28, 2003 JR1281 JR1281 HISTORY - Date Condition Report By JR1281 HISTORY - 1977 MONUMENTED CADT JR1281 HISTORY - 19910529 GOOD NGS JR1281 HISTORY - 19920517 GOOD NGS JR1281 HISTORY - 19950601 GOOD CADT JR1281 HISTORY - 20030826 GOOD CADT JR1281 HISTORY - 20031028 GOOD CADT JR1281 JR1281 STATION DESCRIPTION JR1281 JR1281'DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 JR1281'THE STATION IS LOCATED ABOUT 4.5 MI (7.2 KM) NORTHEAST OF COLEVILLE JR1281'AND 3.5 MI (5.6 KM) EAST OF TOPAZ POST OFFICE. JR1281'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 395 AND TOPAZ JR1281'LANE, POST MILE 114.7 (LOCATION OF TOPAZ P.O.), GO EASTERLY ON TOPAZ JR1281'LANE FOR 3.6 MI (5.8 KM) TO EASTSIDE LANE. TURN LEFT, NORTH ON JR1281'EASTSIDE LANE AND GO 0.3 MI (0.5 KM) TO A DIRT ROAD ON THE RIGHT. JR1281'TURN RIGHT, EAST AND GO 0.75 MI (1.21 KM) TO A JEEP TRAIL ON THE JR1281'LEFT. TURN LEFT (NORTH) AND GO 0.1 MI (0.2 KM) THEN MEANDER WESTERLY JR1281'AND NORTHERLY FOR 0.5 MI (0.8 KM) TO THE TOP OF ROUND MOUNTAIN AND JR1281'THE STATION. JR1281'THE STATION IS A STANDARD CADT DISK CEMENTED IN A DRILL HOLE IN A JR1281'BOULDER. LOCATED 15 FT (4.6 M) NORTH OF A 4 FOOT METAL WITNESS POST. JR1281'REFERENCE MARK 1, STAMPED -ROUND MTN RM 1-, IS A STANDARD CADT DISK JR1281'CEMENTED IN A DRILL HOLE IN A BOULDER. JR1281'REFERENCE MARK 2, STAMPED -ROUND MTN RM 2-, IS A STANDARD CADT DISK JR1281'CEMENTED IN A DRILL HOLE IN A BOULDER. JR1281 JR1281 STATION RECOVERY (1992) JR1281 JR1281'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 (GRH) JR1281'STATION IS LOCATED NEAR THE CALIFORNIA-NEVADA STATE LINE, 10 KM (6.20 JR1281'MI) SOUTHEAST OF THE STATE INSPECTION STATION ON US HIGHWAY 395 NEAR JR1281'TOPAZ LAKE, 7 KM (4.35 MI) EAST OF TOPAZ, ON THE SOUTHWEST ONE OF TWO JR1281'HUMPS ABOUT 100 M (328.1 FT) APART THAT FORM ROUND MOUNTAIN, A HILL JR1281'WITHOUT NOTICEABLE BRUSH OR OUTCROPS. OWNERSHIP--EITHER NATIONAL JR1281'FOREST LAND OR STATE OF CALIFORNIA. TO REACH FROM THE STATE INSPECTION JR1281'STATION NEAR THE STATE LINE ON US HIGHWAY 395, GO SOUTH ON HIGHWAY 395 JR1281'FOR 5.01 KM (3.10 MI) TO STATE HIGHWAY 89 ON THE RIGHT. CONTINUE JR1281'AHEAD FOR 3.71 KM (2.30 MI) TO A PAVED ROAD LEFT AT THE TOPAZ POST JR1281'OFFICE. TURN LEFT, EAST, ON TOPAZ LANE FOR 5.67 KM (3.50 MI) TO A JR1281'T-ROAD. TURN LEFT, NORTH, ON GRAVEL ROAD FOR 0.30 KM (0.20 MI) TO A JR1281'DIRT ROAD RIGHT AT TOP OF GRADE. TURN RIGHT, EAST, ON FOREST SERVICE JR1281'ROAD 120 FOR 0.07 KM (0.05 MI) TO A FORK. KEEP LEFT, STRAIGHT AHEAD JR1281'INTO RAVINE ON TRACK ROAD FOR 0.8 KM (0.50 MI) TO A TRACK ROAD LEFT. JR1281'TURN LEFT, NORTHERLY, CROSSING STREAM BED, (FOUR-WHEEL DRIVE SUGGESTED JR1281'FROM HERE ON AND REQUIRED IF WET) ON TRACK ROAD FOR 0.15 KM (0.10 MI) JR1281'TO A DIM TRACK ROAD LEFT AT RIDGEBACK. TURN LEFT, UPGRADE, NORTHWEST, JR1281'THEN NORTH, ON DIM ROAD FOR 0.74 KM (0.45 MI) TO HIGH GROUND AND JR1281'STATION ON THE LEFT. STATION MARK IS A DISK SET IN A DRILL HOLE IN A JR1281'0.2 M (0.7 FT) X 0.3 M (1.0 FT) FLAT BOULDER PROJECTING 1 CM ABOVE JR1281'GROUND. IT IS 4.7 M (15.4 FT) NORTH OF A METAL WITNESS POST WITH SIGN JR1281'"MON", 6 M (19.7 FT) NORTHWEST OF THE RIDGE CENTER, ON THE NORTHWEST JR1281'SLOPE, AND 15 M (49.2 FT) SOUTHWEST OF HIGH GROUND. JR1281 JR1281 STATION RECOVERY (1995) JR1281 JR1281'RECOVERY NOTE BY CALTRANS 1995 (LCY) JR1281'THE STATION WAS RECOVERED. A NEW TO REACH FOLLOWS. TO REACH THE JR1281'STATION FROM THE U.S. POST OFFICE IN TOPAZ, LOCATED AT THE JR1281'INTERSECTION OF U.S. HIGHWAY 395 (POST MILE 114.7) AND TOPAZ LANE, GO JR1281'EASTERLY ON TOPAZ LANE FOR 3.6 MI (5.8 KM) TO THE INTERSECTION WITH JR1281'EASTSIDE LANE. TURN LEFT AND GO NORTH ON EASTSIDE LANE FOR 1.1 MI JR1281'(1.8 KM) TO AN OLD TRACK ROAD ON THE RIGHT, ABOUT 200 FT (61.0 M) JR1281'WESTERLY OF A WASH CROSSING THE ROAD. TURN RIGHT AND GO SOUTHEASTERLY JR1281'FOR 0.9 MI (1.4 KM) TO A T-INTERSECTION. TURN RIGHT AND GO JR1281'SOUTHWESTERLY FOR 0.3 MI (0.5 KM) TO A JEEP TRAIL ON THE RIGHT, AT THE JR1281'TOP OF THE HILL. TURN RIGHT AND MEANDER WESTERLY AND NORTHERLY ON THE JR1281'JEEP TRAIL FOR 0.5 MI (0.8 KM) TO THE TOP OF ROUND MOUNTAIN AND THE JR1281'STATION. A 4-WHEEL DRIVE VEHICLE IS RECOMMENDED. JR1281 JR1281 STATION RECOVERY (2003) JR1281 JR1281'RECOVERY NOTE BY CALTRANS 2003 (RLM) JR1281'THE STATION, REFERENCE MARK NO. 1, AND REFERENCE MARK NO. 2 WERE JR1281'RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION. THIS STATION WAS JR1281'OCCUPIED AS PART OF A CALTRANS NORTH REGION OFFICE OF SURVEYORS GPS JR1281'HEIGHT MODERNIZATION PROJECT. JR1281 JR1281 STATION RECOVERY (2003) JR1281 JR1281'RECOVERY NOTE BY CALTRANS 2003 (MA) JR1281'THE CADT BRASS CAP HAS NUMEROUS 'DINGS' IN IT FROM VANDALISM BUT THE JR1281'STATION PUNCH MARK IS STILL GOOD AND THE CAP IS STILL SOLID.