National Geodetic Survey, Retrieval Date = SEPTEMBER 16, 2002 LT0608 *********************************************************************** LT0608 DESIGNATION - LAVA PEAK LT0608 PID - LT0608 LT0608 STATE/COUNTY- CA/LASSEN LT0608 USGS QUAD - BULLARD LAKE (1995) LT0608 LT0608 *CURRENT SURVEY CONTROL LT0608 ___________________________________________________________________ LT0608* NAD 83(1992)- 40 49 49.10256(N) 120 53 30.94003(W) ADJUSTED LT0608* NAVD 88 - 2016.7 (meters) 6616. (feet) VERTCON LT0608 ___________________________________________________________________ LT0608 EPOCH DATE - 1991.35 LT0608 LAPLACE CORR- 4.56 (seconds) DEFLEC99 LT0608 GEOID HEIGHT- -22.71 (meters) GEOID99 LT0608 LT0608 HORZ ORDER - THIRD LT0608 LT0608.The horizontal coordinates were established by classical geodetic methods LT0608.and adjusted by the National Geodetic Survey in March 1994. LT0608.The horizontal coordinates are valid at the epoch date displayed above. LT0608.The epoch date for horizontal control is a decimal equivalence LT0608.of Year/Month/Day. LT0608 LT0608.The NAVD 88 height was computed by applying the VERTCON shift value to LT0608.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LT0608 LT0608.The Laplace correction was computed from DEFLEC99 derived deflections. LT0608 LT0608.The geoid height was determined by GEOID99. LT0608 LT0608; North East Units Scale Converg. LT0608;SPC CA 1 - 666,810.519 2,093,454.216 MT 0.99989464 +0 43 28.4 LT0608;SPC CA 1 - 2,187,694.18 6,868,274.37 sFT 0.99989464 +0 43 28.4 LT0608;UTM 10 - 4,522,058.238 677,751.924 MT 0.99998890 +1 22 43.2 LT0608 LT0608: Primary Azimuth Mark Grid Az LT0608:SPC CA 1 - LAVA PEAK AZ MK 170 34 49.5 LT0608:UTM 10 - LAVA PEAK AZ MK 169 55 34.7 LT0608 LT0608|---------------------------------------------------------------------| LT0608| PID Reference Object Distance Geod. Az | LT0608| dddmmss.s | LT0608| DB8078 LAVA PEAK AZ MK 1711817.9 | LT0608| DB8079 LAVA PEAK RM 1 4.101 METERS 18254 | LT0608| DB8080 LAVA PEAK RM 2 3.919 METERS 27329 | LT0608| LT0607 LAVA PEAK LOOKOUT 1948 3.301 METERS 35841 | LT0608|---------------------------------------------------------------------| LT0608 LT0608 SUPERSEDED SURVEY CONTROL LT0608 LT0608 NAD 83(1986)- 40 49 49.10861(N) 120 53 30.95017(W) AD(1984.00) 3 LT0608 NAD 27 - 40 49 49.50700(N) 120 53 27.08100(W) AD( ) 3 LT0608 NGVD 29 - 2015.5 (m) 6613. (f) VERT ANG LT0608 LT0608.Superseded values are not recommended for survey control. LT0608.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0608.See file dsdata.txt to determine how the superseded data were derived. LT0608 LT0608 HISTORY - Date Condition Report By LT0608 HISTORY - 1948 MONUMENTED CGS LT0608 LT0608 STATION DESCRIPTION LT0608 LT0608'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) LT0608'THE STATION IS LOCATED ON THE SUMMIT OF LAVA PEAK, A BARE AND LT0608'ROCKY POINT THAT HAS A HEAVY GROWTH OF TIMBER ON ITS SLOPES. LT0608'THERE IS A LOG LOADING DOCK ABOUT 0.15 MILE SOUTH AND BELOW LT0608'THE STATION. IT IS ABOUT 32 MILES AIRLINE NORTH NORTHWEST OF LT0608'SUSANVILLE, ABOUT 37 MILES AIRLINE NORTH OF WESTWOOD AND ABOUT LT0608'32 MILES AIRLINE EAST SOUTHEAST OF FALL RIVER MILLS. LT0608' LT0608'THE STATION IS 6.5 FEET SOUTH OF THE SOUTH WALL OF THE LOOKOUT LT0608'HOUSE. IT IS A STANDARD USFS DISK THAT IS SET IN A DRILL HOLE LT0608'IN A LARGE BOULDER THAT PROJECTS ABOUT 3 FEET ABOVE THE GROUND. LT0608'THE DISK IS NOT STAMPED. LT0608' LT0608'REFERENCE MARK NUMBER ONE IS 18 FEET WEST OF A FLAG POLE. IT IS LT0608'A STANDARD REFERENCE MARK DISK THAT IS SET IN A DRILL HOLE IN LT0608'THE TOP OF A LARGE BOULDER THAT PROJECTS ABOUT 3.5 FEET ABOVE LT0608'THE GROUND. THE DISK IS STAMPED LAVA PK (USFS) NO 1 1948 LT0608'AND IS ABOUT 1 FOOT LOWER THAN THE STATION. LT0608' LT0608'REFERENCE MARK NUMBER TWO IS 10 FEET SOUTHWEST OF THE SOUTHWEST LT0608'CORNER OF THE LOOKOUT. IT IS A STANDARD REFERENCE MARK DISK LT0608'THAT IS SET IN A DRILL HOLE IN THE TOP OF A LARGE BOULDER THAT LT0608'PROJECTS 2 FEET ON THE EAST SIDE AND ABOUT 15 FEET ON THE LT0608'WEST SIDE. THE DISK IS STAMPED LAVA PK (USFS) NO 2 1948 AND IS LT0608'ABOUT 4 FEET LOWER THAN THE STATION. LT0608' LT0608'THE AZIMUTH MARK IS 15 FEET NORTH OF THE CENTERLINE OF THE ROAD. LT0608'IT IS A STANDARD AZIMUTH MARK DISK THAT IS SET IN A DRILL HOLE IN LT0608'THE TOP OF A LARGE BOULDER THAT PROJECTS 4 FEET ABOVE THE LT0608'GROUND. THE DISK IS STAMPED LAVA PK (USFS) 1948. TO REACH THE LT0608'MARK FROM THE STATION PACK DOWN THE TRAIL FROM THE LOOKOUT TO LT0608'THE CAMP GROUND AT THE FOOT OF THE HILL. FROM THE CAMP GROUND LT0608'DRIVE SOUTHERLY FOR 0.3 MILE TO THE RAILROAD CROSSING. CROSS LT0608'OVER THE TRACKS AND CONTINUE ON THE MAIN TRAVELED ROAD FOR LT0608'0.3 MILE TO THE MARK ON THE LEFT, JUST AS YOU ENTER A LT0608'CLEARING, AS DESCRIBED. LT0608' LT0608'THE LAVA PK LOOKOUT IS A SMALL WHITE BUILDING THAT SITS ON THE LT0608'HIGHEST POINT OF THE PEAK. THE BUILDING IS 9 FEET SQUARE AND LT0608'HAS A CAT WALK AROUND THE OUTSIDE. THE PICTURE POINT FOR THE LT0608'STATION WILL BE THE CENTER OF THE BUILDING. THIS LOOKOUT HAS NOT LT0608'BEEN USED FOR SEVERAL YEARS. LT0608' LT0608'TO REACH THE STATION FROM THE U.S. POST OFFICE IN SUSANVILLE GO LT0608'EAST ON STATE HIGHWAY 36 FOR 0.6 TO A PAVED ROAD LEFT. TURN LT0608'LEFT AS PER SIGN BIEBER AND GO 32.2 MILES TO A SIDE ROAD LEFT LT0608'THAT IS JUST OPPOSITE OF A GATE TO A RANCH HOUSE. TURN LEFT LT0608'AS PER A SMALL SIGN SHEEPSHEAD 12 AND GO WESTERLY FOR 4.9 MILES LT0608'TO A FORK. TAKE THE RIGHT FORK AND GO NORTH ALONG THE EAST LT0608'SIDE OF A LAKE FOR 1.3 MILES TO A FORK. TAKE THE LEFT FORK LT0608'AS PER SIGN CHAMPS FLAT 9 AND GO 1.8 MILES TO A NEW ROAD. LT0608'TURN RIGHT AND FOLLOW THE NEW ROAD FOR 1.6 MILES TO A FORK. LT0608'TAKE THE RIGHT FORK AS PER SIGN CHAMPS FLAT 6 AND GO 4.4 LT0608'MILES TO A FORK. TAKE THE LEFT FORK AND GO 0.3 MILE TO A FORK. LT0608'TAKE THE RIGHT FORK AND GO 0.2 MILE TO THE AZIMUTH MARK ON LT0608'THE RIGHT. CONTINUE, STRAIGHT AHEAD, AND GO 0.3 MILE TO A LT0608'RAILROAD CROSSING. CROSS OVER THE RAILROAD AND GO NORTHERLY FOR LT0608'0.3 MILE TO A SMALL CAMP GROUND ON THE RIGHT. FROM THIS POINT LT0608'PACK UP THE TRAIL TO THE TOP OF LAVA PEAK, THE LOOKOUT AND LT0608'THE STATION AS DESCRIBED. THE PACK WILL TAKE ABOUT 1/4 HOUR.