National Geodetic Survey, Retrieval Date = JANUARY 14, 2003 MX1199 *********************************************************************** MX1199 DESIGNATION - THOMPSON MX1199 PID - MX1199 MX1199 STATE/COUNTY- CA/TRINITY MX1199 USGS QUAD - THOMPSON PEAK (1979) MX1199 MX1199 *CURRENT SURVEY CONTROL MX1199 ___________________________________________________________________ MX1199* NAD 83(1992)- 41 00 01.80977(N) 123 02 54.15821(W) ADJUSTED MX1199* NAVD 88 - 2743.5 (meters) 9001. (feet) VERTCON MX1199 ___________________________________________________________________ MX1199 EPOCH DATE - 1991.35 MX1199 LAPLACE CORR- 9.03 (seconds) DEFLEC99 MX1199 GEOID HEIGHT- -24.67 (meters) GEOID99 MX1199 MX1199 HORZ ORDER - SECOND MX1199 MX1199.The horizontal coordinates were established by classical geodetic methods MX1199.and adjusted by the National Geodetic Survey in March 1994. MX1199.The horizontal coordinates are valid at the epoch date displayed above. MX1199.The epoch date for horizontal control is a decimal equivalence MX1199.of Year/Month/Day. MX1199 MX1199.The NAVD 88 height was computed by applying the VERTCON shift value to MX1199.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MX1199 MX1199.The Laplace correction was computed from DEFLEC99 derived deflections. MX1199 MX1199.The geoid height was determined by GEOID99. MX1199 MX1199; North East Units Scale Converg. MX1199;SPC CA 1 - 685,645.951 1,911,806.285 MT 0.99989879 -0 41 07.9 MX1199;SPC CA 1 - 2,249,490.09 6,272,317.79 sFT 0.99989879 -0 41 07.9 MX1199;UTM 10 - 4,538,813.995 495,931.427 MT 0.99960020 -0 01 54.3 MX1199 MX1199: Primary Azimuth Mark Grid Az MX1199:SPC CA 1 - PONY 250 19 06.4 MX1199:UTM 10 - PONY 249 39 52.8 MX1199 MX1199|---------------------------------------------------------------------| MX1199| PID Reference Object Distance Geod. Az | MX1199| dddmmss.s | MX1199| CD9322 THOMPSON RM 1 2.783 METERS 01559 | MX1199| LU2120 PONY APPROX.16.7 KM 2493758.5 | MX1199| CD9323 THOMPSON RM 2 0.354 METERS 34024 | MX1199| MX1198 THOMPSON PK CAIRN 1961 6.520 METERS 34942 | MX1199|---------------------------------------------------------------------| MX1199 MX1199 SUPERSEDED SURVEY CONTROL MX1199 MX1199 NAD 83(1986)- 41 00 01.80456(N) 123 02 54.16604(W) AD(1984.00) 2 MX1199 NAD 27 - 41 00 02.30010(N) 123 02 50.03970(W) AD( ) 2 MX1199 NGVD 29 - 2742.3 (m) 8997. (f) VERT ANG MX1199 MX1199.Superseded values are not recommended for survey control. MX1199.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MX1199.See file dsdata.txt to determine how the superseded data were derived. MX1199 MX1199_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDL9593138814(NAD 83) MX1199_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MX1199_SETTING: 80 = SET IN A BOULDER MX1199 MX1199 HISTORY - Date Condition Report By MX1199 HISTORY - 1961 MONUMENTED CGS MX1199 MX1199 STATION DESCRIPTION MX1199 MX1199'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (JCC) MX1199'STATION IS ON THE HIGHEST POINT OF THOMPSON PEAK, A HIGH MX1199'ROCKY PEAK WITH AN ELEVATION 9,001 FEET. IT IS ABOUT 18-1/2 MX1199'MILES NORTHWEST OF MINERSVILLE, 18-1/2 MILES WEST OF TRINITY MX1199'CENTER, 18 MILES NORTH OF JUNCTION CITY, 19 MILES EAST OF THE MX1199'TRINITY-HUMBOLDT COUNTY LINE AND 1 MILE SOUTH OF GRIZZLY LAKE. MX1199' MX1199'TO REACH FROM BENNETTS STORE IN CECILVILLE, GO EAST ON GRAVELED MX1199'ROAD FOR 0.25 MILE TO A FORK. TAKE THE RIGHT FORK, SOUTHERLY ON MX1199'GRADED ROAD FOR 1.6 MILES TO A FORK AT SIGN CECIL PT. L.O. TAKE MX1199'THE LEFT FORK, SOUTHEASTERLY ON THE MAIN ROAD FOR 3.3 MILES TO MX1199'SEVERAL BUILDINGS. CONTINUE ON THE MAIN ROAD FOR 0.2 MILE TO A MX1199'SIGN HUNTERS CAMP, CHINA SPRINGS ABOUT 50 YARDS AFTER PASSING A MX1199'CABIN ON THE RIGHT. THIS IS IS THE END OF TRUCK TRAVEL FROM HERE MX1199'FOLLOW THE CHINA SPRINGS TRAIL FOR ABOUT 6 MILES TO THE TOP MX1199'OF DIVIDE. CONTINUE AHEAD ON THE MAIN TRAIL FOR ABOUT 1 MILE MX1199'TO A JUNCTION WITH ANOTHER TRAIL. TURN SHARP LEFT, EASTERLY ON MX1199'THE MAIN TRAIL FOR ABOUT 6 MILES TO GRIZZLY MEADOW CAMP AND MX1199'END OF HORSE TRAVEL ABOUT 1/2 MILE NORTH OF GRIZZLY LAKE. FROM MX1199'HERE PACK SOUTHWEST UP STEEP DRAW FOR ABOUT 1 MILE TO THE TOP OF MX1199'RIDGE JUST BELOW A PROMINENT ROCKY CLIFF, THIS IS ABOUT 1-1/2 MILES MX1199'NORTHWEST OF THE STATION PEAK. HERE TURN SOUTH, AROUND UNDER MX1199'THE ROCKY CLIFF FOR ABOUT 1/2 MILE TO THE SOUTH SIDE OF RIDGE. MX1199'THEN TURN LEFT, EAST UP SANDY RIDGE FOR ABOUT 1 MILE TO A MX1199'SADDLE BETWEEN THE STATION PEAK AND THE ROCKY CLIFF. FOLLOW THE RIDGE MX1199'SOUTHEAST, CLIMBING OVER LARGE BOULDERS AT TIMES FOR MX1199'ABOUT 1 MILE TO THE HIGHEST POINT AND STATION, THE LAST MX1199'100 YARDS BEING VERY DIFFICULT TO CLIMB AND TWO MEN MX1199'SHOULD BE ON THIS STATION AT ALL TIMES. MX1199' MX1199'STATION MARK IS A STANDARD DISK, STAMPED THOMPSON 1961, CEMENTED MX1199'IN A DRILL HOLE IN A LARGE BOULDER WHICH FORMS THE TOP OF THE MX1199'PEAK. IT IS 25 FEET SOUTH AND 4 FEET LOWER THAN THE HIGHEST MX1199'POINT. MX1199' MX1199'REFERENCE MARK 1 IS A U.S. GEOLOGICAL REFERENCE MARK DISK, MX1199'STAMPED NO 1 1949, CEMENTED IN A DRILL HOLE IN A LARGE BOULDER MX1199'THAT FORMS THE NORTHEAST SIDE OF THE PEAK. IT IS ABOUT 2 FEET MX1199'HIGHER THAN THE STATION. MX1199' MX1199'REFERENCE MARK 2 IS A U.S. GEOLOGICAL REFERENCE MARK DISK, MX1199'STAMPED NO 2 1949, CEMENTED IN A DRILL HOLE IN THE SAME BOULDER MX1199'AS THE STATION. IT IS THE SAME ELEVATION AS THE STATION MARK. MX1199' MX1199'AN AZIMUTH MARK WAS NOT SET. MX1199' MX1199'IT IS A 7 HOUR HORSE PACK AND A 7 HOUR BACK PACK.