National Geodetic Survey, Retrieval Date = OCTOBER 26, 2004 KS1451 *********************************************************************** KS1451 DESIGNATION - BUNKER HILL KS1451 PID - KS1451 KS1451 STATE/COUNTY- CA/PLACER KS1451 USGS QUAD - BUNKER HILL (1973) KS1451 KS1451 *CURRENT SURVEY CONTROL KS1451 ___________________________________________________________________ KS1451* NAD 83(1992)- 39 02 57.93758(N) 120 22 50.46950(W) ADJUSTED KS1451* NAVD 88 - 2293.4 (meters) 7524. (feet) VERTCON KS1451 ___________________________________________________________________ KS1451 EPOCH DATE - 1991.35 KS1451 LAPLACE CORR- 12.37 (seconds) DEFLEC99 KS1451 GEOID HEIGHT- -24.03 (meters) GEOID03 KS1451 KS1451 HORZ ORDER - SECOND KS1451 KS1451.The horizontal coordinates were established by classical geodetic methods KS1451.and adjusted by the National Geodetic Survey in March 1994. KS1451.The horizontal coordinates are valid at the epoch date displayed above. KS1451.The epoch date for horizontal control is a decimal equivalence KS1451.of Year/Month/Day. KS1451 KS1451.The NAVD 88 height was computed by applying the VERTCON shift value to KS1451.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) KS1451 KS1451.The Laplace correction was computed from DEFLEC99 derived deflections. KS1451 KS1451.The geoid height was determined by GEOID03. KS1451 KS1451; North East Units Scale Factor Converg. KS1451;SPC CA 2 - 654,742.505 2,140,158.352 MT 0.99991486 +1 01 15.3 KS1451;SPC CA 2 - 2,148,101.04 7,021,502.86 sFT 0.99991486 +1 01 15.3 KS1451;UTM 10 - 4,325,526.941 726,669.563 MT 1.00023269 +1 39 03.0 KS1451 KS1451! - Elev Factor x Scale Factor = Combined Factor KS1451!SPC CA 2 - 0.99964407 x 0.99991486 = 0.99955896 KS1451!UTM 10 - 0.99964407 x 1.00023269 = 0.99987668 KS1451 KS1451: Primary Azimuth Mark Grid Az KS1451:SPC CA 2 - BUNKER HILL AZ MK 232 11 53.0 KS1451:UTM 10 - BUNKER HILL AZ MK 231 34 05.3 KS1451 KS1451|---------------------------------------------------------------------| KS1451| PID Reference Object Distance Geod. Az | KS1451| dddmmss.s | KS1451| KS2008 BUNKER HILL NEW LOH 8.263 METERS 00238 | KS1451| DB6426 BUNKER HILL RM 1 25.595 METERS 06248 | KS1451| DB6427 BUNKER HILL RM 2 15.418 METERS 17706 | KS1451| DB6425 BUNKER HILL AZ MK 2331308.3 | KS1451|---------------------------------------------------------------------| KS1451 KS1451 SUPERSEDED SURVEY CONTROL KS1451 KS1451 NAD 83(1986)- 39 02 57.93016(N) 120 22 50.44262(W) AD(1984.00) 2 KS1451 NAD 27 - 39 02 58.26100(N) 120 22 46.72900(W) AD( ) 2 KS1451 NGVD 29 (07/19/86) 2292.3 (m) 7521. (f) VERT ANG KS1451 KS1451.Superseded values are not recommended for survey control. KS1451.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. KS1451.See file dsdata.txt to determine how the superseded data were derived. KS1451 KS1451_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGJ2667025527(NAD 83) KS1451_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION KS1451_SETTING: 80 = SET IN A BOULDER KS1451_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY KS1451 KS1451 HISTORY - Date Condition Report By KS1451 HISTORY - 1940 MONUMENTED CGS KS1451 HISTORY - 1949 SEE DESCRIPTION CGS KS1451 HISTORY - 1949 GOOD USGS KS1451 KS1451 STATION DESCRIPTION KS1451 KS1451'DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) KS1451'NOTE--OBTAIN FOREST SERVICE KEY BEFORE GOING TO STATION. KS1451' KS1451'STATION IS LOCATED ABOUT 1-1/2 MILES, AIRLINE, NORTH OF THE KS1451'PLACER-ELDORADO COUNTY LINE, 3 MILES NORTHWEST OF WENTWORTH KS1451'SPRINGS, AND 5 MILES NORTHWEST OF LOON LAKE. ON THE SAME KS1451'MOUNTAIN AS THE BUNKER HILL FOREST SERVICE LOOKOUT STATION. KS1451' KS1451'REACHED FROM RIVERTON, ON U.S. HIGHWAY 50, BY TAKING THE KS1451'ICE HOUSE ROAD LEADING LEFT OFF THE HIGHWAY, JUST EAST OF THE KS1451'AMERICAN RIVER BRIDGE EAST OF RIVERTON. GO UP HILL ON ICE KS1451'HOUSE ROAD 4.6 MILES. KEEP STRAIGHT AHEAD ON ICE HOUSE ROAD KS1451'2.4 MILES, PASS THROUGH GATE, TAKE LEFT FORK AND GO 0.4 MILE. KS1451'CROSS SOUTH FORK OF SILVER CREEK AND FOLLOW MAIN TRAVELED KS1451'ROAD 2.0 MILES, PASS THROUGH GATE AND GO 1.05 MILES. CROSS KS1451'MIDDLE FORK OF SILVER CREEK AND CONTINUE ON THE MAIN TRAVELED KS1451'ROAD 0.45 MILE. TAKE LEFT FORK AT SIGN, UNION VALLEY, ROBBS KS1451'VALLEY, GO 1.1 MILES. TAKE RIGHT FORK AT SIGN ROBBS VALLEY, KS1451'GO 0.6 MILE, TAKE LEFT FORK, GO 0.7 MILE AND TAKE LEFT KS1451'FORK, GO 0.1 MILE, CROSS SILVER CREEK AT THE PUBLIC CAMP KS1451'GROUNDS. TAKE THE RIGHT FORK LEADING AWAY FROM THE CREEK KS1451'AND FOLLOW THE MAIN TRAVELED ROAD 0.6 MILE TO SIGN, KS1451'BASSIS, SLICK ROCK TRAIL, TAKE LEFT FORK, GO 3.05 MILES TO ROBBS KS1451'VALLEY, TAKE LEFT FORK, GO 1.5 MILES. TAKE RIGHT FORK KS1451'AT SIGN, SOUTH FORK, GO 0.5 MILE. TURN RIGHT ON PINO KS1451'GRANDE-WENTWORTH SPRINGS ROAD AND GO 2.65 MILES TO SIGN LOOK KS1451'LAKE, LONG MEADOWS, AND STONE CELLAR. TAKE LEFT FORK, KS1451'WENTWORTH SPRINGS ROAD AND GO 5.35 MILES TO SIGN, BUNKER HILL KS1451'LOOKOUT. TAKE LEFT FORK AND GO 0.9 MILE. PASS THROUGH LOCKED KS1451'GATE AND CONTINUE UP HILL 2.05 MILES TO SADDLE AND KS1451'SIGN, BUNKER HILL LOOKOUT. TAKE LEFT FORK GO 0.9 MILE. KS1451'PASS THROUGH LOCKED GATE AND CONTINUE UP HILL 2.05 KS1451'MILES TO SADDLE AND SIGN, BUNKER LAKE 1/2 MILE. CONTINUE UP KS1451'HILL 0.8 MILE TO THE TOP AND STATION. KS1451' KS1451'AZIMUTH MARK IS LOCATED ON THE SOUTHWEST SIDE OF HILL CALLED KS1451'LITTLE BUNKER, 0.25 MILE SOUTHWEST OF STATION, ABOUT 115 KS1451'FEET WEST BY SOUTHWEST OF THE HIGHEST POINT AND 12 FEET LOWER, KS1451'ABOUT 22 FEET WEST OF TWO PINE TREES 2 FEET IN DIAMETER AND KS1451'12 FEET APART, IN A BOULDER 1.5 FEET BY 3 FEET, AND PROJECTING KS1451'8 INCHES ABOVE THE GROUND. IT IS ALMOST DUE NORTH OF THE LAST KS1451'SHARP HAIRPIN TURN BEFORE REACHING THE SADDLE AND SIGN, BUNKER KS1451'LAKE. KS1451' KS1451'SURFACE, REFERENCE AND AZIMUTH MARKS ARE SET AS DESCRIBED KS1451'IN NOTES 4 AND 12C. KS1451 KS1451 STATION RECOVERY (1949) KS1451 KS1451'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1949 (WRH) KS1451'THE STATION WAS RECOVERED AS DESCRIBED AND ALL MARKS WERE KS1451'FOUND IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. KS1451' KS1451'THE STATION IS LOCATED NEAR THE BUNKER HILL FOREST SERVICE KS1451'LOOKOUT HOUSE ABOUT 1-1/2 MILES AIRLINE NORTH OF THE KS1451'PLACER-ELDORADO COUNTY-LINE, ABOUT 3 MILES AIRLINE NORTHWEST KS1451'OF WENTWORTH SPRINGS AND ABOUT 5 MILES AIRLINE NORTHWEST OF KS1451'LOON LAKE. KS1451' KS1451'THE STATION MARK IS A STANDARD DISK STAMPED BUNKER HILL 1940, KS1451'SET IN A DRILL HOLE IN A BURIED BOULDER PROJECTING ABOUT KS1451'3 INCHES. IT IS 26.4 FEET SOUTH OF THE OLD LOOKOUT HOUSE KS1451'AND 62.5 FEET WEST-SOUTHWEST OF THE NEW LOOKOUT HOUSE. KS1451' KS1451'REFERENCE MARK NUMBER 1 IS A STANDARD DISK STAMPED BUNKER HILL KS1451'NO 1 1940, SET IN A DRILL HOLE IN A BURIED BOULDER PROJECTING KS1451'ABOUT 8 INCHES ABOVE THE GROUND AND IS ABOUT 2 FEET HIGHER KS1451'THAN THE STATION. KS1451' KS1451'REFERENCE MARK NUMBER 2 IS A STANDARD DISK STAMPED BUNKER HILL KS1451'NO 2 1940, SET IN A DRILL HOLE IN A BURIED BOULDER PROJECTING KS1451'ABOUT 6 INCHES ABOVE THE GROUND AND IS ABOUT 2 FEET LOWER KS1451'THAN THE STATION. KS1451' KS1451'THE AZIMUTH MARK IS A STANDARD DISK STAMPED BUNKER HILL 1940, KS1451'SET IN A DRILL HOLE IN A LARGE BURIED BOULDER PROJECTING KS1451'ABOUT 8 INCHES ABOVE THE GROUND. IT IS ABOUT 125 FEET WEST OF KS1451'THE HIGHEST POINT OF A HILL KNOWN AS LITTLE BUNKER. KS1451' KS1451'TO REACH THE AZIMUTH MARK FROM THE STATION, GO WESTERLY, KS1451'DOWNHILL, 0.5 MILE TO A SIGN BUNKER LAKE. CONTINUE DOWNHILL KS1451'ABOUT 100 YARDS TO A SHARP HAIRPIN TURN AND THE END OF TRUCK KS1451'TRAVEL. FROM THIS POINT PACK NORTHERLY TOWARDS THE HIGHEST KS1451'POINT OF LITTLE BUNKER HILL ABOUT 150 YARDS TO THE AZIMUTH KS1451'MARK JUST WEST OF LARGE TWIN PINE TREES. KS1451' KS1451'TO REACH THE STATION FROM THE VILLAGE OF RIVERTON, GO EAST KS1451'ON U.S. HIGHWAY 50, CROSSING THE AMERICAN RIVER BRIDGE, 0.1 KS1451'MILE TO A FORK AND A SIGN ICE HOUSE ROAD. KEEP LEFT FORK, KS1451'LEAVING THE HIGHWAY, AND FOLLOW MAIN TRAVELED ROAD 7.0 MILES KS1451'TO A SMALL WOODEN BRIDGE AND A GATE. PASS THROUGH GATE KS1451'AND KEEP LEFT FORK 3.3 MILES TO THE BRIDGE CROSSING MIDDLE KS1451'FORK SILVER CREEK. CROSS BRIDGE AND CONTINUE 0.5 MILE TO A KS1451'FORK AND A SIGN UNION VALLEY. KEEP LEFT FORK AND GO 1.7 KS1451'MILES TO A FORK AND A SIGN ROBBS VALLEY. KEEP RIGHT FORK AND KS1451'GO 0.6 MILE TO A FORK. KEEP LEFT FORK AND GO 0.7 MILE TO A KS1451'BRIDGE CROSSING SILVER CREEK. CROSS BRIDGE, PASSING THROUGH KS1451'PUBLIC CAMP GROUNDS, AND CONTINUE 0.1 MILE TO FORKS. KEEP RIGHT KS1451'FORK AND GO 0.5 MILE TO A FORK. KEEP LEFT FORK AND GO 3.0 KS1451'MILES TO ROBBS VALLEY AND A FORK. KEEP LEFT FORK AND GO 1.4 KS1451'MILES TO A FORK AND A SIGN SOUTH FORK. KEEP RIGHT FORK AND KS1451'GO 0.4 MILE TO A FORK AND THE INTERSECTION WITH THE KS1451'PINOGRANDE-WENTHWORTH SPRINGS ROAD. KEEP RIGHT FORK KS1451'AND GO 2.5 MILES TO A FORK. KEEP LEFT FORK LEFT AND GO KS1451'5.1 MILES TO A T-ROAD AND A SIGN BUNKER HILL L O. TURN KS1451'LEFT, AS PER SIGN BUNKER HILL L O, AND GO 1.2 MILES TO A KS1451'LOCKED GATE (NOTE--OBTAIN FOREST SERVICE KEY BEFORE KS1451'GOING TO STATION.) PASS THROUGH GATE AND CONTINUE ON KS1451'MAIN TRAVELED ROAD 3.5 MILES TO THE BUNKER HILL LOOKOUT KS1451'AND THE STATION. KS1451 KS1451 STATION RECOVERY (1949) KS1451 KS1451'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 KS1451'RECOVERED AS DESCRIBED. KS1451'ALL MARKS IN GOOD CONDITION. RMS NOT MEASURED. KS1451' KS1451'NEW LOH--PAINTED WHITE. KS1451' KS1451'OLD LOH--STONE.