National Geodetic Survey, Retrieval Date = SEPTEMBER 29, 2002 LU2032 *********************************************************************** LU2032 DESIGNATION - NORTH YOLLA BOLLY LU2032 PID - LU2032 LU2032 STATE/COUNTY- CA/TRINITY LU2032 USGS QUAD - LU2032 LU2032 *CURRENT SURVEY CONTROL LU2032 ___________________________________________________________________ LU2032* NAD 83(1992)- 40 11 46.38281(N) 122 58 25.46756(W) ADJUSTED LU2032* NAVD 88 - 2398.2 (meters) 7868. (feet) VERTCON LU2032 ___________________________________________________________________ LU2032 EPOCH DATE - 1991.35 LU2032 LAPLACE CORR- 0.82 (seconds) DEFLEC99 LU2032 GEOID HEIGHT- -27.44 (meters) GEOID99 LU2032 LU2032 HORZ ORDER - SECOND LU2032 LU2032.The horizontal coordinates were established by classical geodetic methods LU2032.and adjusted by the National Geodetic Survey in March 1994. LU2032.The horizontal coordinates are valid at the epoch date displayed above. LU2032.The epoch date for horizontal control is a decimal equivalence LU2032.of Year/Month/Day. LU2032 LU2032.The NAVD 88 height was computed by applying the VERTCON shift value to LU2032.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LU2032 LU2032.The Laplace correction was computed from DEFLEC99 derived deflections. LU2032 LU2032.The geoid height was determined by GEOID99. LU2032 LU2032; North East Units Scale Converg. LU2032;SPC CA 1 - 596,274.154 1,917,092.319 MT 0.99995636 -0 38 12.2 LU2032;SPC CA 1 - 1,956,276.12 6,289,660.38 sFT 0.99995636 -0 38 12.2 LU2032;UTM 10 - 4,449,536.137 502,235.032 MT 0.99960006 +0 01 01.0 LU2032 LU2032: Primary Azimuth Mark Grid Az LU2032:SPC CA 1 - BLACK ROCK LOOKOUT TOWER 287 31 23.8 LU2032:UTM 10 - BLACK ROCK LOOKOUT TOWER 286 52 10.6 LU2032 LU2032|---------------------------------------------------------------------| LU2032| PID Reference Object Distance Geod. Az | LU2032| dddmmss.s | LU2032| DB5518 NORTH YOLLA BOLLY RM 2 6.629 METERS 01758 | LU2032| DB5517 NORTH YOLLA BOLLY RM 1 4.893 METERS 11534 | LU2032| LU2173 BLACK ROCK LOOKOUT TOWER APPROX. 3.2 KM 2865311.6 | LU2032|---------------------------------------------------------------------| LU2032 LU2032 SUPERSEDED SURVEY CONTROL LU2032 LU2032 NAD 83(1986)- 40 11 46.37763(N) 122 58 25.46696(W) AD(1984.00) 2 LU2032 NAD 27 - 40 11 46.83070(N) 122 58 21.40047(W) AD( ) 2 LU2032 NGVD 29 - 2397.1 (m) 7864. (f) VERT ANG LU2032 LU2032.Superseded values are not recommended for survey control. LU2032.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LU2032.See file dsdata.txt to determine how the superseded data were derived. LU2032 LU2032_MARKER: Z = SEE DESCRIPTION LU2032_SETTING: 0 = UNSPECIFIED SETTING LU2032 LU2032 HISTORY - Date Condition Report By LU2032 HISTORY - 1965 MONUMENTED CGS LU2032 LU2032 STATION DESCRIPTION LU2032 LU2032'DESCRIBED BY COAST AND GEODETIC SURVEY 1965 (JJL) LU2032'THE STATION IS LOCATED ABOUT 41 MILES WEST OF RED BLUFF, 12-1/2 LU2032'MILES SOUTH-SOUTHWEST OF PLATINA AND ON A HIGH ROCKY PEAK LU2032'LOCALLY KNOWN AS NORTH YOLLA BOLLY PEAK. LU2032' LU2032'TO REACH THE STATION FROM THE POST OFFICE IN PLATINA, GO WEST LU2032'ON STATE HIGHWAY 36 FOR 4.8 MILES TO A SIDE ROAD LEFT AND A LU2032'SIGN WHITE ROCK RD. TURN SHARP LEFT AND GO SOUTHEAST AND LU2032'SOUTH, AS PER SIGN, ON THE GRAVELED ROAD FOR 9.7 MILES TO A LU2032'Y-FORK AND A SIGN WHITE ROCK. KEEP THE LEFT FORK, AS PER SIGN, LU2032'AND GO SOUTH-SOUTHWEST FOR 0.8 MILE TO A SIDE ROAD RIGHT. LU2032'TURN RIGHT AND GO SOUTH AND SOUTHEAST UP THE RIDGE FOR 2.85 LU2032'MILES TO A T-INTERSECTION AND A SIGN WHITE ROCK G.S. 6. TURN LU2032'LEFT AND GO SOUTH, AS PER SIGN, FOR 1.8 MILE TO A SIDE ROAD LU2032'RIGHT. CONTINUE AHEAD, SOUTHERLY, FOR 1.35 MILE TO A SIDE LU2032'ROAD RIGHT. CONTINUE AHEAD SOUTHERLY, ALONG THE RIDGE, FOR LU2032'1.6 MILE TO A Y-FORK AND A SIGN WHITE ROCK RD. KEEP THE LU2032'RIGHT FORK, AS PER SIGN, AND GO SOUTH FOR 1.65 MILE TO A LU2032'SIDE ROAD LEFT LEADING TO THE WHITE ROCK GUARD STATION. KEEP LU2032'RIGHT AND GO SOUTH FOR ABOUT 75 YARDS TO A Y-FORK. KEEP THE LU2032'LEFT FORK AND GO SOUTHEAST FOR 4.45 MILES TO STUART GAP LU2032'CAMP AND CORRALS AT THE FOOT OF THE TRAIL TO YOLLA BOLLY LU2032'GUARD STATION AND BLACK ROCK LOOKOUT AND THE END OF LU2032'TRUCK TRAVEL. LU2032' LU2032'PACK SOUTHERLY UP THE RIDGE, ON THE WELL DEFINED TRAIL FOR LU2032'ABOUT 1-1/4 MILE TO THREE FORKS IN THE TRAIL. KEEP THE LU2032'MIDDLE FORK AND GO SOUTHERLY UP THE RIDGE FOR ABOUT 1-1/2 LU2032'MILE TO A GRASSY SADDLE AND A FORK IN THE TRAIL ON A HIGH LU2032'EAST-WEST RIDGE AND A SIGN YOLLA BOLLY G.S. 3 AND BLACK ROCK LU2032'LOOKOUT 2 1/2. TAKE THE LEFT FORK AND GO SOUTHEAST DOWNHILL LU2032'TOWARD YOLLA BOLLY GUARD STATION FOR ABOUT 3/4 MILE. LEAVE THE LU2032'MAIN TRAIL AND GO EASTERLY ALONG THE SLOPE OF THE MOUNTAIN FOR LU2032'ABOUT 1 MILE TO A LONG, SLOPING, NORTHWEST-SOUTHEAST RIDGE. LU2032'BEAR NORTHWEST UP THE RIDGE FOR ABOUT 3/4 MILE TO THE SUMMIT LU2032'AND TWO LARGE ROCK OUTCROPS ABOUT 200 YARDS APART. GO LU2032'NORTH, DOWNHILL, AND CROSS A SADDLE TO THE HIGHEST POINT IN LU2032'THE VICNITY AND THE STATION. LU2032' LU2032'A 4 HOUR HORSE PACK. LU2032' LU2032'THE STATION MARK IS A U.S. FOREST SERVICE DISK, STAMPED NORTH LU2032'YOLLA BOLLY ELEV 7370, CEMENTED IN OUTCROPPING BEDROCK THAT LU2032'PROJECTS 2 FEET. LU2032' LU2032'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED NORTH YOLLA LU2032'BOLLY NO 1 1965, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK LU2032'THAT PROJECTS 1 FOOT. LU2032' LU2032'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED NORTH YOLLA BOLLY LU2032'NO 2 1965, CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK LU2032'THAT PROJECTS 8 INCHES.