National Geodetic Survey, Retrieval Date = DECEMBER 19, 2002 LT0506 *********************************************************************** LT0506 DESIGNATION - SHAFFER MOUNTAIN LT0506 PID - LT0506 LT0506 STATE/COUNTY- CA/LASSEN LT0506 USGS QUAD - SHAFFER MOUNTAIN (1988) LT0506 LT0506 *CURRENT SURVEY CONTROL LT0506 ___________________________________________________________________ LT0506* NAD 83(1992)- 40 26 47.64013(N) 120 21 28.39181(W) ADJUSTED LT0506* NAVD 88 - 2053.9 (meters) 6739. (feet) VERTCON LT0506 ___________________________________________________________________ LT0506 EPOCH DATE - 1991.35 LT0506 LAPLACE CORR- 0.80 (seconds) DEFLEC99 LT0506 GEOID HEIGHT- -23.01 (meters) GEOID99 LT0506 LT0506 HORZ ORDER - SECOND LT0506 LT0506.The horizontal coordinates were established by classical geodetic methods LT0506.and adjusted by the National Geodetic Survey in March 1994. LT0506.The horizontal coordinates are valid at the epoch date displayed above. LT0506.The epoch date for horizontal control is a decimal equivalence LT0506.of Year/Month/Day. LT0506 LT0506.The NAVD 88 height was computed by applying the VERTCON shift value to LT0506.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LT0506 LT0506.The Laplace correction was computed from DEFLEC99 derived deflections. LT0506 LT0506.The geoid height was determined by GEOID99. LT0506 LT0506; North East Units Scale Converg. LT0506;SPC CA 1 - 624,915.883 2,139,289.013 MT 0.99991749 +1 04 25.5 LT0506;SPC CA 1 - 2,050,244.86 7,018,650.70 sFT 0.99991749 +1 04 25.5 LT0506;UTM 10 - 4,480,676.515 724,066.711 MT 1.00021804 +1 42 53.1 LT0506 LT0506: Primary Azimuth Mark Grid Az LT0506:SPC CA 1 - SHAFFER MOUNTAIN AZ MK 2 121 59 35.4 LT0506:UTM 10 - SHAFFER MOUNTAIN AZ MK 2 121 21 07.8 LT0506 LT0506|---------------------------------------------------------------------| LT0506| PID Reference Object Distance Geod. Az | LT0506| dddmmss.s | LT0506| DB7756 SHAFFER MOUNTAIN RM 1 7.773 METERS 09301 | LT0506| DB7755 SHAFFER MOUNTAIN AZ MK 1165257.3 | LT0506| DB7759 SHAFFER MOUNTAIN AZ MK 2 1230400.9 | LT0506| DB7757 SHAFFER MOUNTAIN RM 2 5.811 METERS 16850 | LT0506| LT0522 THOMPSON PEAK FIRE LOT APPROX.26.7 KM 2193157.4 | LT0506| LT0511 SHAFFER MOUNTAIN LOOKOUT 1949 7.340 METERS 28529 | LT0506| DB7758 SHAFFER MOUNTAIN RM 3 7.614 METERS 30706 | LT0506|---------------------------------------------------------------------| LT0506 LT0506 SUPERSEDED SURVEY CONTROL LT0506 LT0506 NAD 83(1986)- 40 26 47.64708(N) 120 21 28.39274(W) AD(1984.00) 2 LT0506 NAD 27 - 40 26 48.00800(N) 120 21 24.61000(W) AD( ) 2 LT0506 NGVD 29 - 2052.8 (m) 6735. (f) VERT ANG LT0506 LT0506.Superseded values are not recommended for survey control. LT0506.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0506.See file dsdata.txt to determine how the superseded data were derived. LT0506 LT0506_U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGK2406780677(NAD 83) LT0506_MARKER: DS = TRIANGULATION STATION DISK LT0506_SETTING: 66 = SET IN ROCK OUTCROP LT0506 LT0506 HISTORY - Date Condition Report By LT0506 HISTORY - 1948 MONUMENTED CGS LT0506 HISTORY - 1949 GOOD CGS LT0506 HISTORY - 1977 GOOD NGS LT0506 LT0506 STATION DESCRIPTION LT0506 LT0506'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) LT0506'THE STATION IS LOCATED ABOUT 16 MILES EAST OF SUSANVILLE AND LT0506'ABOUT 5 MILES NORTH OF LITCHFIELD ON THE HIGHEST POINT OF SHAFFER LT0506'MOUNTAIN, A HIGH BARE RIDGE ON THE NORTH SIDE OF HONEY LAKE. LT0506' LT0506'TO REACH THE STATION FROM THE RAILROAD DEPOT IN LITCHFIELD GO LT0506'EAST ON U.S. HIGHWAY 395 FOR 4.7 MILES, TURN LEFT ON A DIRT ROAD LT0506'JUST BEFORE REACHING CULVERT IN FILL ABOUT 0.1 MILE EAST OF LT0506'ABANDONED RANCH HOUSE, KEEP ALL RIGHT FORKS PAST GRAVEL PIT AND LT0506'FOLLOW MAIN TRAVELED ROAD TO THE LOOKOUT AND THE STATION. LT0506' LT0506'THE STATION IS A STANDARD BRONZE DISK SET IN A DRILL HOLE IN BED LT0506'ROCK WHICH PROJECTS ABOUT 18 INCHES AND IS STAMPED SHAFFER MTN. LT0506' LT0506'REFERENCE MARK NUMBER 1 IS A STANDARD BRONZE DISK SET IN A DRILL LT0506'HOLE IN A BOULDER WHICH PROJECTS ABOUT 18 INCHES AND IS STAMPED LT0506'SHAFFER MTN NO 1 1948. LT0506' LT0506'REFERENCE MARK NUMBER 2 IS A STANDARD BRONZE DISK SET IN A DRILL LT0506'HOLE IN A BOULDER WHICH PROJECTS ABOUT 28 INCHES AND IS STAMPED LT0506'SHAFFER MTN NO 1 1948. LT0506' LT0506'THE AZIMUTH MARK IS A STANDARD BRONZE DISK SET IN A BOULDER WHICH LT0506'PROJECTS ABOUT 28 INCHES AND IS STAMPED SHAFFER MTN 1948. THE LT0506'AZIMUTH MARK IS LOCATED TO THE LEFT OF THE ROAD (EAST) ABOUT LT0506'30 FEET AND IS IN A LARGE BOULDER AT A SHARP RIGHT HAND SWITCH LT0506'BACK IN THE ROAD, 0.3 MILE BEFORE REACHING STATION. LT0506 LT0506 STATION RECOVERY (1949) LT0506 LT0506'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1949 (WRH) LT0506'THE STATION WAS RECOVERED AS DESCRIBED AND ALL THE MARKS WERE IN LT0506'GOOD CONDITION. A COMPLETE DESCRIPTION FOLLOWS. LT0506' LT0506'THE STATION IS LOCATED ON THE HIGHEST POINT OF SHAFFER MOUNTAIN AND LT0506'ON THE SAME PEAK THAT THE SHAFFER LOOKOUT HOUSE IS ON. IT IS ABOUT 16 LT0506'MILES AIRLINE EAST OF SUSANVILLE, ABOUT 10 MILES AIRLINE LT0506'NORTH-NORTHWEST OF WENDEL, AND ABOUT 4-1/2 MILES AIRLINE LT0506'NORTH-NORTHEAST OF LITCHFIELD. LT0506' LT0506'THE STATION IS 16-1/2 FEET EAST OF THE EAST SIDE OF THE LOOKOUT LT0506'HOUSE AND 24 FEET WEST-SOUTHWEST OF A TELEPHONE POLE. IT IS A LT0506'STANDARD DISK SET IN A DRILL HOLE IN BEDROCK THAT PROJECTS 1-1/2 LT0506'FEET ABOVE THE GROUND. THE DISK IS STAMPED--SHAFFER MTN 1948. LT0506' LT0506'REFERENCE MARK NUMBER 1 IS 8 FEET SOUTHEAST OF THE TELEPHONE POLE LT0506'AND ABOUT 5-1/2 FEET LOWER THAN THE STATION. IT IS A STANDARD DISK LT0506'SET IN A DRILL HOLE IN BEDROCK THAT PROJECTS 2 FEET ABOVE THE GROUND. LT0506'THE DISK IS STAMPED--SHAFFER MTN NO 1 1948. LT0506' LT0506'REFERENCE MARK NUMBER 2 IS 26 FEET SOUTHEAST OF THE SOUTHEAST CORNER LT0506'OF THE LOOKOUT HOUSE AND IS ABOUT 3 FEET LOWER THAN THE STATION. LT0506'IT IS A STANDARD DISK SET IN A DRILL HOLE IN A BOULDER THAT LT0506'PROJECTS 3 FEET ABOVE THE GROUND. THE DISK IS STAMPED--SHAFFER LT0506'MTN NO 2 1948. LT0506'THE AZIMUTH MARK IS 35 FEET EAST OF THE CENTER LINE OF THE ROAD THAT LT0506'GOES TO THE SHAFFER LOOKOUT HOUSE AND 70 FEET NORTH-NORTHEAST OF A LT0506'SWITCH BACK ON THE ROAD. IT IS A STANDARD DISK SET IN A DRILL HOLE LT0506'IN A LARGE BOULDER THAT PROJECTS 3 FEET ABOVE THE GROUND. THE LT0506'DISK IS STAMPED--SHAFFER MTN 1948. TO REACH THE MARK FROM THE LT0506'STATION PACK NORTH TO THE END OF THE ROAD AND THEN DRIVE LT0506'EASTERLY FOR 0.5 MILE TO THE SWITCH BACK ON THE ROAD AND THE LT0506'MARK ON THE RIGHT AS DESCRIBED. LT0506' LT0506'THE SHAFFER LOOKOUT HOUSE IS 14 FEET SQUARE AND ABOUT 16 FEET HIGH. LT0506'IT IS A WOOD BUILDING AND HAS A PEAKED ROOF. THE OUTSIDE OF THE LT0506'BUILDING IS PAINTED WHITE. THE CENTER OF THE BASE OF THE HOUSE LT0506'WILL SERVE AS THE SUBSTITUTE STATION AND IS 0.61 METER HIGHER THAN LT0506'THE STATION. LT0506' LT0506'TO REACH THE STATION FROM THE RAIL ROAD DEPOT IN LITCHFIELD GO LT0506'EAST ON US HIGHWAY 395 FOR 5.1 MILES TO A DIRT ROAD TO THE LEFT. LT0506'TURN LEFT, NORTH, AND FOLLOW THE MAIN TRAVELED ROAD FOR 7.0 MILES TO LT0506'THE TOP OF SHAFFER MOUNTAIN, THE LOOKOUT HOUSE AND THE STATION LT0506'AS DESCRIBED. LT0506' LT0506'NOTE--AZIMUTH MARK WAS NOT OCCUPIED IN 1948. LT0506 LT0506 STATION RECOVERY (1977) LT0506 LT0506'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 (CLN) LT0506'THE STATION MARK WAS RECOVERED IN GOOD CONDITION. REFERENCE MARK LT0506'1 WAS FOUND IN GOOD CONDITION BUT THE ROCK IT IS IN WAS PROBABLY LT0506'DISTURBED SLIGHTLY WHEN ITS SOUTH SIDE WAS EXPOSED DURING LT0506'CONSTRUCTION OF A NEW ROAD TO THE TOP OF THE MOUNTAIN. REFERENCE LT0506'MARK 2 AND THE AZIMUTH MARK WERE FOUND DESTROYED SO REFERENCE LT0506'MARK 3 AND A NEW AZIMUTH MARK WERE SET ON THIS DATE. A COMPLETE LT0506'DESCRIPTION FOLLOWS-- LT0506' LT0506'THE STATION IS LOCATED ON THE TOP OF SHAFFER MOUNTAIN, NEAR LT0506'SEVERAL COMMUNICATION ANTENNAS AND BUILDINGS, AIRLINE ABOUT 16 LT0506'MILES EAST OF SUSANVILLE, 9 MILES NORTHWEST OF WENDEL, AND 5 MILES LT0506'NORTH-NORTHEAST OF LITCHFIELD. LT0506' LT0506'TO REACH THE STATION FROM THE RAILROAD CROSSING AT LITCHFIELD LT0506'GO EAST ON U.S. HIGHWAY 395 FOR 8.5 MILES TO A SIDE ROAD ON THE LT0506'LEFT. TURN LEFT AS/SIGN SHAFFER MTN COMMUNICATION FACILITY AND LT0506'GO WEST ON A GRAVELED ROAD 6.7 MILES TO A SHARP LEFT TURN AND THE LT0506'AZIMUTH MARK ON THE RIGHT. CONTINUE NORTHWEST ON THE ROAD 0.4 LT0506'MILE TO THE TOP OF THE MOUNTAIN AND THE STATION SITE. LT0506' LT0506'THE STATION MARK IS A C AND GS TRIANGULATION STATION DISK LT0506'STAMPED SHAFFER MTN 1948 CEMENTED IN A DRILL HOLE IN THE 1/2X1-FOOT LT0506'TOP OF A ROCK OUTCROP PROJECTING 1/2 FOOT ABOVE THE SURROUNDING LT0506'ROCKS, AND IS 16.5 FEET SOUTHEAST OF THE SOUTHEAST CORNER OF AN LT0506'8-1/2X16-1/2-FOOT METAL BUILDING, ABOUT 10 FEET HIGHER THAN THE LT0506'LEVELED ROADWAY IMMEDIATELY TO THE EAST OF THE STATION SITE, AND LT0506'ABOUT 25 FEET SOUTHEAST OF AND 3 FEET LOWER THAN THE HIGHEST LT0506'POINT OF THE MOUNTAIN. LT0506' LT0506'REFERENCE MARK 1 IS A C AND GS REFERENCE MARK DISK STAMPED LT0506'SHAFFER MTN NO 1 1948 CEMENTED IN A DRILL HOLE IN THE 3X5-FOOT LT0506'TOP OF A ROCK OUTCROP PROJECTING 1 FOOT ABOVE THE GROUND ON THE LT0506'NORTH AND 6 FEET ABOVE A GRADED AREA ON THE SOUTH SIDE AND IS LT0506'ABOUT 6 FEET LOWER THAN THE STATION MARK. LT0506' LT0506'REFERENCE MARK 3 IS AN NGS REFERENCE MARK DISK STAMPED SHAFFER LT0506'MTN 1948 NO 3 1977 EPOXIED IN A DRILL HOLE IN THE 3X4-FOOT TOP LT0506'OF A ROCK OUTCROP PROJECTING 1 FOOT ABOVE THE GROUND, IS ON THE LT0506'HIGHEST POINT OF THE MOUNTAIN, 11.5 FEET SOUTH OF THE SOUTHWEST LT0506'CORNER OF A METAL BUILDING, AND IS ABOUT 3 FEET HIGHER THAN THE LT0506'STATION MARK. LT0506' LT0506'THE AZIMUTH MARK SET ON THIS DATE IS AN NGS AZIMUTH MARK DISK LT0506'STAMPED SHAFFER MTN 1948 1977 EPOXIED IN A DRILL HOLE IN A LOWER LT0506'FLAT SHELF OF A 10X12-FOOT ROCK OUTCROP PROJECTING ABOUT 5 FEET LT0506'ABOVE THE GROUND. THE MARK IS ABOUT 3 FEET WEST OF AND 3 FEET LT0506'LOWER THAN THE HIGHEST POINT OF THE ROCK, 150 FEET SOUTHEAST OF LT0506'THE CENTER LINE OF THE ROAD AT A SHARP CURVE, AND IS ON THE LT0506'CREST OF A ROCKY RIDGE RUNNING DOWN SOUTHEAST FROM THE TOP OF LT0506'THE MOUNTAIN. LT0506' LT0506'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN LT0506'5 MILES NNE OF LITCHFIELD.