National Geodetic Survey, Retrieval Date = JANUARY 16, 2003 MW0915 *********************************************************************** MW0915 DESIGNATION - HOFFMAN MW0915 PID - MW0915 MW0915 STATE/COUNTY- CA/SISKIYOU MW0915 USGS QUAD - MEDICINE LAKE (1993) MW0915 MW0915 *CURRENT SURVEY CONTROL MW0915 ___________________________________________________________________ MW0915* NAD 83(1994)- 41 36 39.44170(N) 121 33 13.08765(W) ADJUSTED MW0915* NAVD 88 - 2414.3 (meters) 7921. (feet) VERTCON MW0915 ___________________________________________________________________ MW0915 LAPLACE CORR- -0.10 (seconds) DEFLEC99 MW0915 GEOID HEIGHT- -22.62 (meters) GEOID99 MW0915 MW0915 HORZ ORDER - FIRST MW0915 MW0915.The horizontal coordinates were established by classical geodetic methods MW0915.and adjusted by the National Geodetic Survey in June 1998. MW0915 MW0915.The NAVD 88 height was computed by applying the VERTCON shift value to MW0915.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) MW0915 MW0915.The Laplace correction was computed from DEFLEC99 derived deflections. MW0915 MW0915.The geoid height was determined by GEOID99. MW0915 MW0915; North East Units Scale Converg. MW0915;SPC CA 1 - 753,005.410 2,037,205.375 MT 0.99998633 +0 17 30.7 MW0915;SPC CA 1 - 2,470,485.25 6,683,731.30 sFT 0.99998633 +0 17 30.7 MW0915;UTM 10 - 4,607,592.818 620,512.852 MT 0.99977872 +0 57 38.2 MW0915 MW0915: Primary Azimuth Mark Grid Az MW0915:SPC CA 1 - LITTLE HOFFMAN 247 25 54.9 MW0915:UTM 10 - LITTLE HOFFMAN 246 45 47.4 MW0915 MW0915|---------------------------------------------------------------------| MW0915| PID Reference Object Distance Geod. Az | MW0915| dddmmss.s | MW0915| MW0855 HAPPY CAMP LOOKOUT HOUSE APPROX.43.0 KM 1200827.5 | MW0915| CD7599 HOFFMAN RM 2 11.471 METERS 14939 | MW0915| MW0510 LITTLE HOFFMAN APPROX. 9.4 KM 2474325.6 | MW0915| CD7598 HOFFMAN RM 1 11.482 METERS 28722 | MW0915|---------------------------------------------------------------------| MW0915 MW0915 SUPERSEDED SURVEY CONTROL MW0915 MW0915 NAD 83(1992)- 41 36 39.44170(N) 121 33 13.08765(W) AD(1991.35) 1 MW0915 NAD 83(1986)- 41 36 39.44363(N) 121 33 13.08290(W) AD(1984.00) 1 MW0915 NAD 27 - 41 36 39.87200(N) 121 33 09.10500(W) AD( ) 1 MW0915 NGVD 29 - 2413.0 (m) 7917. (f) VERT ANG MW0915 MW0915.Superseded values are not recommended for survey control. MW0915.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. MW0915.See file dsdata.txt to determine how the superseded data were derived. MW0915 MW0915_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM2051307593(NAD 83) MW0915_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION MW0915_SETTING: 66 = SET IN ROCK OUTCROP MW0915 MW0915 HISTORY - Date Condition Report By MW0915 HISTORY - 1920 MONUMENTED CGS MW0915 HISTORY - 1948 SEE DESCRIPTION CGS MW0915 MW0915 STATION DESCRIPTION MW0915 MW0915'DESCRIBED BY COAST AND GEODETIC SURVEY 1920 (EWE) MW0915'ABOUT 32 MILES NORTHEAST OF MC CLOUD, 21 MILES SOUTH OF EAST MW0915'OF BRAY, 4 MILES NORTHEAST OF MEDICINE LAKE RANGER STATION, MW0915'AND ON HIGHEST POINT OF BIG HOFFMAN MOUNTAIN. MARKED BY MW0915'STANDARD STATION DISK IN BEDROCK, NOTE 2. ONE REFERENCE MW0915'MARK IS STANDARD REFERENCE DISK IN BEDROCK, NOTE 12A, 11.51 MW0915'METERS (37.8 FEET) FROM STATION IN AZIMUTH 107 DEG 23 MIN. MW0915'AND OTHER IS STANDARD REFERENCE DISK IN LARGE BOULDER, NOTE MW0915'12C, 11.67 METERS (38.3 FEET) FROM STATION IN AZIMUTH 329 DEG MW0915'38 MIN. MW0915 MW0915 STATION RECOVERY (1948) MW0915 MW0915'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1948 (WRH) MW0915'THE STATION AND THE REFERENCE MARKS WERE FOUND IN GOOD CONDITION MW0915'WITH A SMALL DESCREPENCY IN THE DISTANCES TO THE REFERENCE MW0915'MARKS FROM THE STATION WHICH MAY HAVE BEEN DUE TO THE FACT MW0915'THAT SLOPE DISTANCES WERE TAKEN AND COMPUTED TO HORIZONTAL MW0915'AT THIS OCCUPATION. THE SLOPE DISTANCES WERE CHECKED IN THE MW0915'FIELD. THE DESCRIPTION AS TO HOW TO REACH THE STATION IS MW0915'SOMEWHAT OBSOLETE AND A NEW DESCRIPTION FOLLOWS. MW0915' MW0915'THE STATION IS LOCATED ON THE HIGHEST POINT OF BIG HOFFMAN MW0915'MOUNTAIN WHICH IS A VERY HIGH AND PROMINENT POINT. IT IS ABOUT MW0915'4 MILES NORTHEAST OF THE MEDICINE LAKE RANGER STATION, 21 MW0915'MILES EAST OF THE TOWN OF BRAY, AND ABOUT 32 MILES NORTHEAST MW0915'OF THE TOWN OF MC CLOUD. MW0915' MW0915'THE STATION MARK, STAMPED HOFFMAN 1920, IS A STANDARD STATION MW0915'MARK DISK THAT IS SET IN A DRILL HOLE IN AN OUTCROP OF BEDROCK MW0915'THAT PROJECTS ABOUT 1 FOOT ABOVE THE SURFACE OF THE GROUND MW0915'AND IS SURROUNDED BY A LARGE PILE OF ROCK. MW0915' MW0915'REFERENCE MARK NUMBER 1 IS A STANDARD REFERENCE MARK DISK MW0915'THAT IS SET IN A DRILL HOLE IN AN OUTCROP OF ROCK THAT PROJECTS MW0915'ABOUT 1-1/4 FEET ABOVE THE GENERAL SURFACE AND IS ABOUT 2 MW0915'FEET EAST OF A SHARP DROP OFF TO THE WEST. IT IS UNSTAMPED. MW0915' MW0915'REFERENCE MARK NUMBER 2 IS A STANDARD REFERENCE MARK DISK THAT IS MW0915'SET IN A DRILL IN A LARGE OUTCROP OF BEDROCK THAT PROJECTS ABOUT MW0915'3 FEET ABOVE THE GENERAL SURFACE OF THE GROUND. IT IS ABOUT MW0915'15 FEET NORTHWEST OF A SHARP DROP OFF AND IS UNSTAMPED. MW0915' MW0915'THE STATION CAN BE REACHED FROM THE JUNCTION OF U.S. HIGHWAY MW0915'299 AND CALIFORNIA STATE HIGHWAY 139, 0.6 MILE SOUTHEAST OF THE MW0915'TOWN OF CANBY, BY GOING NORTHWEST ON HIGHWAY 139 FOR 24.4 MW0915'MILES TO A ROAD TO THE LEFT. TURN LEFT AND FOLLOW THE MAIN MW0915'TRAVELED ROAD AND ALL SIGNS LAVA BEDS FOR 15.5 MILES TO THE MW0915'INDIAN WELLS RANGER STATION. CONTINUE PAST THE RANGER STATION MW0915'FOR 1.2 MILES TO A ROAD TO THE LEFT AND A SIGN MEDICINE LAKE MW0915'15. TURN LEFT ON ROAD TO MEDICINE LAKE AND FOLLOW THE SIGNS MW0915'TO SAME FOR 15.6 MILES TO THE MEDICINE LAKE RANGER STATION AND MW0915'LODGE. BEAR AROUND THE LEFT SIDE OF THE LAKE FOR 1.0 MILE MW0915'TO A FORK. TAKE LEFT FORK AND GO 0.4 MILE TO A SIGN MW0915'ARNICA SINK 1. TURN LEFT ON THIS ROAD AND FOLLOW THE MAIN MW0915'TRAVELED ROAD AROUND THE SOUTHWEST SIDE OF THE MOUNTAIN FOR MW0915'2.2 MILES TO THE END OF THE ROAD, A TRIANGULAR BLAZED TREE MW0915'AND THE END OF TRUCK TRAVEL. FROM HERE PACK NORTH TO THE MW0915'HIGHEST POINT AND THE STATION. A TRAIL WAS BLAZED AT MW0915'THIS TIME BUT MAY NOT BE DEFINED AT A LATER DATE. MW0915' MW0915'THE 1920 AZIMUTH AND DISTANCE TO REFERENCE MARK NUMBER 1 WAS MW0915'107-23 AND 11.51 M. (37.8 FT.) AS COMPARED TO THE 1948 AZIMUTH MW0915'AND DISTANCE OF 107-21-52 AND 11.482 M. 37.670 FT. MW0915' MW0915'THE 1920 AZIMUTH AND DISTANCE TO REFERENCE MARK NUMBER 2 WAS MW0915'329-38 AND 11.67 M. (38.3 FT.) AS COMPARED TO THE 1948 AZIMUTH MW0915'AND DISTANCE OF 329-38-51 AND 11.471 M. AND 37.635 FT.