National Geodetic Survey, Retrieval Date = SEPTEMBER 14, 2002 LT0617 *********************************************************************** LT0617 DESIGNATION - HARVEY LT0617 PID - LT0617 LT0617 STATE/COUNTY- CA/LASSEN LT0617 USGS QUAD - HARVEY MOUNTAIN (1995) LT0617 LT0617 *CURRENT SURVEY CONTROL LT0617 ___________________________________________________________________ LT0617* NAD 83(1992)- 40 44 26.55346(N) 121 02 07.25000(W) ADJUSTED LT0617* NAVD 88 - 2241.8 (meters) 7355. (feet) VERTCON LT0617 ___________________________________________________________________ LT0617 EPOCH DATE - 1991.35 LT0617 LAPLACE CORR- 3.73 (seconds) DEFLEC99 LT0617 GEOID HEIGHT- -22.93 (meters) GEOID99 LT0617 LT0617 HORZ ORDER - SECOND LT0617 LT0617.The horizontal coordinates were established by classical geodetic methods LT0617.and adjusted by the National Geodetic Survey in March 1994. LT0617.The horizontal coordinates are valid at the epoch date displayed above. LT0617.The epoch date for horizontal control is a decimal equivalence LT0617.of Year/Month/Day. LT0617 LT0617.The NAVD 88 height was computed by applying the VERTCON shift value to LT0617.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) LT0617 LT0617.The Laplace correction was computed from DEFLEC99 derived deflections. LT0617 LT0617.The geoid height was determined by GEOID99. LT0617 LT0617; North East Units Scale Converg. LT0617;SPC CA 1 - 656,719.379 2,081,468.346 MT 0.99989599 +0 37 50.8 LT0617;SPC CA 1 - 2,154,586.83 6,828,950.73 sFT 0.99989599 +0 37 50.8 LT0617;UTM 10 - 4,511,830.477 665,881.007 MT 0.99993870 +1 16 57.0 LT0617 LT0617: Primary Azimuth Mark Grid Az LT0617:SPC CA 1 - M 25 206 00 50.9 LT0617:UTM 10 - M 25 205 21 44.7 LT0617 LT0617|---------------------------------------------------------------------| LT0617| PID Reference Object Distance Geod. Az | LT0617| dddmmss.s | LT0617| DB7876 HARVEY RM 1 13.415 METERS 13500 | LT0617| LT0618 HARVEY MOUNTAIN LOT 1948 1.940 METERS 16723 | LT0617| DB7875 M 25 2063841.7 | LT0617| DB7877 HARVEY RM 2 6.901 METERS 25517 | LT0617| LT0619 HARVEY MOUNTAIN LOH 1948 4.987 METERS 30029 | LT0617|---------------------------------------------------------------------| LT0617 LT0617 SUPERSEDED SURVEY CONTROL LT0617 LT0617 NAD 83(1986)- 40 44 26.55773(N) 121 02 07.25925(W) AD(1984.00) 2 LT0617 NAD 27 - 40 44 26.95300(N) 121 02 03.39100(W) AD( ) 2 LT0617 NGVD 29 - 2240.6 (m) 7351. (f) VERT ANG LT0617 LT0617.Superseded values are not recommended for survey control. LT0617.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. LT0617.See file dsdata.txt to determine how the superseded data were derived. LT0617 LT0617 HISTORY - Date Condition Report By LT0617 HISTORY - 1948 MONUMENTED CGS LT0617 LT0617 STATION DESCRIPTION LT0617 LT0617'DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) LT0617'THE STATION IS LOCATED ON THE SUMMIT OF A HIGH WOODED MOUNTAIN LT0617'THAT HAS A BARE AND ROCKY SUMMIT. IT IS ABOUT 30 MILES LT0617'AIRLINE NORTHWEST OF SUSANVILLE, ABOUT 30 MILES AIRLINE NORTH OF LT0617'WESTWOOD AND ABOUT 6 MILES AIRLINE NORTH OF THE HARVEY VALLEY LT0617'PRISON CAMP. LT0617' LT0617'THE STATION IS A COPPER NAIL THAT IS SET IN CONCRETE IN THE LT0617'BOTTOM OF A FIFTEEN INCH SQUARE WELL THAT HAS A WOODEN COVER. LT0617'THIS WELL IS IN THE CENTER OF A CONCRETE LANDING THAT IS AT LT0617'THE FOOT OF THE STEPS OF THE LOOKOUT TOWER. IT IS 5 FEET LT0617'SOUTH SOUTHEAST OF THE NORTH LEG OF THE LOOKOUT TOWER. LT0617' LT0617'REFERENCE MARK NUMBER ONE IS 22 FEET SOUTHEAST OF A SIGN LT0617'HARVEY MTN. LOOKOUT. IT IS A STANDARD REFERENCE MARK DISK LT0617'THAT IS SET IN A DRILL HOLE IN THE TOP OF A LARGE BOULDER LT0617'THAT PROJECTS ABOUT 4 FEET ABOVE THE OTHER ROCKS. IT IS 3 LT0617'FEET LOWER THAN THE STATION. THE DISK IS STAMPED HARVEY (USGS) LT0617'NO 1 1948. LT0617' LT0617'REFERENCE MARK NUMBER TWO IS 4 FEET SOUTH OF THE LOOKOUT LT0617'HOUSE. IT IS A STANDARD REFERENCE MARK DISK THAT IS SET IN A LT0617'DRILL HOLE IN THE TOP OF A LARGE BOULDER THAT PROJECTS 6 FEET LT0617'ON THE SOUTH SIDE AND ON THE NORTH SIDE IT IS 2 FEET LOWER THAN LT0617'THE FLOOR OF THE LOOKOUT HOUSE. THE DISK IS STAMPED HARVEY LT0617'(USGS) NO 2 1948. LT0617' LT0617'THE AZIMUTH MARK IS A STANDARD USGS DISK THAT IS 51 FEET LT0617'NORTHWEST OF THE CENTERLINE OF A T-ROAD INTERSECTION, 63 FEET LT0617'NORTHWEST OF SIGN PUSS CAMP 7 AND JESSEN VALLEY 14 AND 30 FEET LT0617'NORTH OF THE CENTERLINE OF THE MAIN TRAVELED ROAD. IT IS A LT0617'STANDARD USGS DISK THAT IS SET IN THE TOP OF A CONCRETE POST LT0617'THAT PROJECTS 9 INCHES ABOVE THE GROUND. THE DISK IS STAMPED LT0617'25 M 5563 (FEET) 1932. TO REACH THE MARK FROM THE STATION GO LT0617'SOUTHERLY ON THE ROAD FOR 5.5 MILES TO THE MAIN TRAVELED LT0617'ROAD. TURN RIGHT, WESTERLY, AND GO 4.0 MILES TO A T-ROAD LT0617'RIGHT AND THE MARK ON THE RIGHT AS DESCRIBED. LT0617' LT0617'THE HARVEY MTN. LOOKOUT HOUSE IS A STANDARD WOODEN LOOKOUT LT0617'BUILDING THAT SITS ON THE HIGHEST POINT OF THE MOUNTAIN. LT0617'THE BUILDING IS ABOUT 14 FEET SQUARE AND IS PAINTED WHITE LT0617'AND HAS GREEN SHUTTERS. THE CENTER OF THIS BUILDING WILL LT0617'BE THE PICTURE POINT FOR THIS VICINITY. LT0617' LT0617'THE HARVEY MTN. LOOKOUT TOWER IS A STEEL TOWER THAT IS 60 FEET LT0617'HIGH AND HAS A 10 FOOT SQUARE BUILDING ON ITS TOP. IT IS LT0617'ABOUT 20 FEET SQUARE AT THE BASE. LT0617' LT0617'TO REACH THE STATION FROM THE U.S. POST OFFICE IN SUSANVILLE LT0617'GO SOUTHWESTERLY ON STATE HIGHWAY NUMBER 36 FOR 5.3 MILES TO LT0617'A SIDE ROAD RIGHT. TURN RIGHT AS PER SIGN MC ARTHUR 67 AND LT0617'FOLLOW THE MAIN TRAVELED ROAD FOR 11.1 MILES TO A T-ROAD. LT0617'TURN RIGHT AS PER SIGN MC ARTHUR 56 AND GO 19.0 MILES TO A LT0617'Y FORKS. KEEP THE RIGHT FORK AS PER SIGN PITTVILLE 33 AND LT0617'GO 0.3 MILE TO A SIDE ROAD RIGHT. TURN RIGHT AS PER SIGN LT0617'HARVEY VALLEY AND GO 5.4 MILES TO A T-ROAD LEFT. KEEP LT0617'STRAIGHT AHEAD AS PER SIGN JESSEN VALLEY 14 AND GO 4.0 MILES LT0617'TO A T-ROAD LEFT. TURN LEFT AS PER SIGN HARVEY MT. LT0617'LOOKOUT 6 AND GO 5.5 MILES TO THE SUMMIT OF HARVEY MOUNTAIN, LT0617'THE LOOKOUT AND THE STATION AS DESCRIBED.