National Geodetic Survey, Retrieval Date = OCTOBER 27, 2004 JS4041 *********************************************************************** JS4041 DESIGNATION - LOOKOUT MOUNTAIN JS4041 PID - JS4041 JS4041 STATE/COUNTY- CA/EL DORADO JS4041 USGS QUAD - DEVIL PEAK (1973) JS4041 JS4041 *CURRENT SURVEY CONTROL JS4041 ___________________________________________________________________ JS4041* NAD 83(1992)- 38 53 00.72669(N) 120 33 40.68005(W) ADJUSTED JS4041* NAVD 88 - 1573.3 (meters) 5162. (feet) VERTCON JS4041 ___________________________________________________________________ JS4041 EPOCH DATE - 1991.35 JS4041 LAPLACE CORR- 11.99 (seconds) DEFLEC99 JS4041 GEOID HEIGHT- -25.40 (meters) GEOID03 JS4041 JS4041 HORZ ORDER - THIRD JS4041 JS4041.The horizontal coordinates were established by classical geodetic methods JS4041.and adjusted by the National Geodetic Survey in March 1994. JS4041.The horizontal coordinates are valid at the epoch date displayed above. JS4041.The epoch date for horizontal control is a decimal equivalence JS4041.of Year/Month/Day. JS4041 JS4041.The NAVD 88 height was computed by applying the VERTCON shift value to JS4041.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS4041 JS4041.The Laplace correction was computed from DEFLEC99 derived deflections. JS4041 JS4041.The geoid height was determined by GEOID03. JS4041 JS4041; North East Units Scale Factor Converg. JS4041;SPC CA 2 - 636,066.852 2,124,818.361 MT 0.99992080 +0 54 25.4 JS4041;SPC CA 2 - 2,086,829.33 6,971,174.91 sFT 0.99992080 +0 54 25.4 JS4041;UTM 10 - 4,306,679.351 711,530.734 MT 1.00015102 +1 31 53.2 JS4041 JS4041! - Elev Factor x Scale Factor = Combined Factor JS4041!SPC CA 2 - 0.99975720 x 0.99992080 = 0.99967802 JS4041!UTM 10 - 0.99975720 x 1.00015102 = 0.99990818 JS4041 JS4041: Primary Azimuth Mark Grid Az JS4041:SPC CA 2 - LOOKOUT MTN AZ MK 196 09 08.6 JS4041:UTM 10 - LOOKOUT MTN AZ MK 195 31 40.8 JS4041 JS4041|---------------------------------------------------------------------| JS4041| PID Reference Object Distance Geod. Az | JS4041| dddmmss.s | JS4041| DB2045 LOOKOUT MTN RM 1 7.394 METERS 10911 | JS4041| DB2044 LOOKOUT MTN AZ MK 1970334.0 | JS4041| JS4040 LOOKOUT MOUNTAIN LOT 1949 26.747 METERS 24015 | JS4041| DB2046 LOOKOUT MTN RM 2 5.904 METERS 34413 | JS4041|---------------------------------------------------------------------| JS4041 JS4041 SUPERSEDED SURVEY CONTROL JS4041 JS4041 NAD 83(1986)- 38 53 00.71080(N) 120 33 40.65739(W) AD(1984.00) 3 JS4041 NAD 27 - 38 53 01.04900(N) 120 33 36.92200(W) AD( ) 3 JS4041 NGVD 29 (09/12/91) 1572.3 (m) 5158. (f) VERT ANG JS4041 JS4041.Superseded values are not recommended for survey control. JS4041.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS4041.See file dsdata.txt to determine how the superseded data were derived. JS4041 JS4041_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGJ1153106679(NAD 83) JS4041_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION JS4041_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS4041_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JS4041 JS4041 HISTORY - Date Condition Report By JS4041 HISTORY - 1949 MONUMENTED CGS JS4041 HISTORY - 1949 GOOD USGS JS4041 JS4041 STATION DESCRIPTION JS4041 JS4041'DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) JS4041'THE STATION IS LOCATED ON A PROMINENT MOUNTAIN KNOWN LOCALLY AS JS4041'LOOKOUT MOUNTAIN WHICH IS BARE ON TOP, TIMBERED ON THE SIDES, JS4041'WITH A PROMINENT LONE 24-INCH PINE TREE ON TOP, AND A LOOKOUT JS4041'STATION TO THE SOUTHWEST. IT IS ABOUT 17 MILES AIRLINE JS4041'SOUTHEAST OF FORESTHILL, ABOUT 27 MILES AIRLINE EAST OF AUBURN, JS4041'AND ABOUT 17 MILES AIRLINE NORTHEAST OF PLACERVILLE. IT IS 7.8 JS4041'FEET NORTHEAST OF A WITNESS POST AND 7.2 FEET SOUTHWEST OF A JS4041'24-INCH PINE TREE. JS4041' JS4041'THE STATION IS A STANDARD DISK STAMPED LOOKOUT MTN 1949 SET JS4041'IN TOP OF A SQUARE CONCRETE POST WHICH PROJECTS 6 INCHES HIGHER JS4041'THAN THE GROUND. JS4041' JS4041'REFERENCE MARK NUMBER ONE IS A STANDARD DISK STAMPED LOOKOUT JS4041'MTN NO 1 1949 SET IN TOP OF A SQUARE CONCRETE POST WHICH PROJECTS JS4041'4 INCHES HIGHER THAN THE GROUND AND IS 8 INCHES LOWER THAN THE JS4041'STATION. JS4041' JS4041'REFERENCE MARK NUMBER TWO IS A STANDARD DISK STAMPED LOOKOUT JS4041'MTN NO 2 1949 SET IN TOP OF A SQUARE CONCRETE POST WHICH PROJECTS JS4041'4 INCHES HIGHER THAN THE GROUND AND IS 12 INCHES LOWER THAN JS4041'THE STATION. JS4041' JS4041'LOOKOUT MOUNTAIN LOOKOUT TOWER IS A WHITE, 14 FOOT SQUARE JS4041'BUILDING ELEVATED BY STEEL LEGS AND IS ABOUT 35 FEET HIGH. THE JS4041'PEAK OF THE ROOF WAS USED AS THE OBSERVATION POINT. JS4041' JS4041'THE AZIMUTH MARK IS A STANDARD DISK STAMPED LOOKOUT MTN 1949 JS4041'SET IN TOP OF A SQUARE CONCRETE POST WHICH PROJECTS 2 INCHES JS4041'HIGHER THAN THE GROUND. IT IS 22.7 FEET WEST-SOUTHWEST OF A JS4041'5-FOOT FIR TREE WITH A TRIANGLE BLAZE AND 23.3 FEET SOUTH OF A JS4041'SMALL PINE TREE. JS4041' JS4041'TO REACH THE AZIMUTH MARK FROM THE POINT WHERE YOU CROSS THE WIDE JS4041'DIRT ROAD AS MENTIONED IN THE DESCRIPTION, INSTEAD OF CROSSING JS4041'THE WIDE DIRT ROAD, TURN LEFT ONTO THE WIDE DIRT ROAD FOR 0.1 JS4041'MILE TO A CROSSROAD. KEEP STRAIGHT AHEAD AS PER SIGNS JACKSON JS4041'SPRING 3 LOOKOUT MTN 5 CAMPANA RD 5-1/2 FOR 1 MILE TO AN JS4041'INTERSECTION, KEEP RIGHT AT A SMALL PINE TREE WITH A TRIANGLE JS4041'BLAZE FOR 0.9 MILE TO A FORK AND A TRIANGLE BLAZE ON A PINE JS4041'TREE AND A SIGN SUGAR PINE RD. FOLLOW THE RIGHT FORK FOR 1.5 JS4041'MILES TO A RAILROAD TRACK. CROSS THE TRACKS AND FOLLOW FOR JS4041'0.5 MILE TO A SIGN LEHMAH CAMP 1/4, KEEP RIGHT FOR 0.8 MILE TO JS4041'A PINE TREE WITH A TRIANGLE BLAZE ON THE RIGHT SIDE OF THE JS4041'ROAD AND THE END OF TRUCK TRAVEL. FOLLOW THE COW PATH WEST JS4041'FOR 0.2 MILE TO A LARGE TRIANGLE BLAZE ON A 3-FOOT PINE TREE JS4041'AND THE AZIMUTH MARK. JS4041' JS4041'TO REACH THE STATION FROM THE POST OFFICE IN GEORGETOWN FOLLOW JS4041'THE MAIN TRAVELED ROAD NORTHEAST FOR 4.55 MILES TO A FORK, JS4041'FOLLOW THE LEFT FORK FOR 3.65 MILES TO A FORK. FOLLOW THE JS4041'RIGHT FORK AS PER SIGN PINOGRANDE 5 FOR 2.9 MILES. KEEP JS4041'STRAIGHT AHEAD AS PER SIGN PINOGRANDE 2 FOR 0.3 MILE. KEEP JS4041'STRAIGHT AHEAD AT CROSSROADS FOR 0.3 MILE TO A FORK, FOLLOW JS4041'THE LEFT FORK AS PER SIGN LOOKOUT MTN 5-1/2 FOR 0.4 MILE. JS4041'TAKE THE RIGHT FORK AT A SIGN UNCLE TOMS CROSSING A WIDE DIRT JS4041'ROAD, FOLLOW STRAIGHT AHEAD FOR 2.2 MILES TO A FORK. TAKE JS4041'THE LEFT FORK AS PER SIGN CAMP 10 FOR 0.3 MILE CROSSING A RAILROAD JS4041'TRACK AND CONTINUING ON FOR 0.3 MILE TO A FORK. KEEP LEFT, JS4041'STRAIGHT AHEAD, FOR 1.1 MILES. TAKE A SIDE ROAD LEFT AS PER JS4041'SIGN LOOKOUT MTN 1/2 FOR 1 MILE TO THE LOOKOUT TOWER AND THE JS4041'STATION. JS4041' JS4041'HEIGHT OF LIGHT ABOVE STATION MARK 1.31 METERS. JS4041 JS4041 STATION RECOVERY (1949) JS4041 JS4041'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 JS4041'RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. JS4041' JS4041'LOOKOUT MOUNTAIN LOT--USFS LOH ON 20-FT STEEL TOWER.