National Geodetic Survey, Retrieval Date = OCTOBER 27, 2004 JS4075 *********************************************************************** JS4075 DESIGNATION - JAKEYS HILL JS4075 PID - JS4075 JS4075 STATE/COUNTY- CA/EL DORADO JS4075 USGS QUAD - GEORGETOWN (1973) JS4075 JS4075 *CURRENT SURVEY CONTROL JS4075 ___________________________________________________________________ JS4075* NAD 83(1992)- 38 58 24.89855(N) 120 47 47.15108(W) ADJUSTED JS4075* NAVD 88 - 1014.02 (+/-2cm) 3326.8 (feet) VERTCON JS4075 ___________________________________________________________________ JS4075 EPOCH DATE - 1991.35 JS4075 LAPLACE CORR- 10.95 (seconds) DEFLEC99 JS4075 GEOID HEIGHT- -26.40 (meters) GEOID03 JS4075 JS4075 HORZ ORDER - FIRST JS4075 VERT ORDER - THIRD ? (See Below) JS4075 JS4075.The horizontal coordinates were established by classical geodetic methods JS4075.and adjusted by the National Geodetic Survey in March 1994. JS4075.The horizontal coordinates are valid at the epoch date displayed above. JS4075.The epoch date for horizontal control is a decimal equivalence JS4075.of Year/Month/Day. JS4075 JS4075.The NAVD 88 height was computed by applying the VERTCON shift value to JS4075.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS4075.The vertical order pertains to the NGVD 29 superseded value. JS4075 JS4075.The Laplace correction was computed from DEFLEC99 derived deflections. JS4075 JS4075.The geoid height was determined by GEOID03. JS4075 JS4075; North East Units Scale Factor Converg. JS4075;SPC CA 2 - 645,765.173 2,104,287.872 MT 0.99991654 +0 45 31.7 JS4075;SPC CA 2 - 2,118,647.91 6,903,817.79 sFT 0.99991654 +0 45 31.7 JS4075;UTM 10 - 4,316,154.490 690,891.782 MT 1.00004872 +1 23 11.0 JS4075 JS4075! - Elev Factor x Scale Factor = Combined Factor JS4075!SPC CA 2 - 0.99984507 x 0.99991654 = 0.99976162 JS4075!UTM 10 - 0.99984507 x 1.00004872 = 0.99989378 JS4075 JS4075: Primary Azimuth Mark Grid Az JS4075:SPC CA 2 - BALD MOUNTAIN LOT 1949 133 29 14.8 JS4075:UTM 10 - BALD MOUNTAIN LOT 1949 132 51 35.5 JS4075 JS4075|---------------------------------------------------------------------| JS4075| PID Reference Object Distance Geod. Az | JS4075| dddmmss.s | JS4075| DB1951 JAKEYS HILL RM 1 6.428 METERS 09419 | JS4075| JS4049 BALD MOUNTAIN LOT 1949 APPROX.11.1 KM 1341446.5 | JS4075| DB1952 JAKEYS HILL RM 2 5.466 METERS 33407 | JS4075|---------------------------------------------------------------------| JS4075 JS4075 SUPERSEDED SURVEY CONTROL JS4075 JS4075 NAD 83(1986)- 38 58 24.87785(N) 120 47 47.12071(W) AD(1984.00) 1 JS4075 NAD 27 - 38 58 25.24200(N) 120 47 43.37500(W) AD( ) 1 JS4075 NGVD 29 (07/19/86) 1013.17 (m) 3324.0 (f) LEVELING 3 JS4075 JS4075.Superseded values are not recommended for survey control. JS4075.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS4075.See file dsdata.txt to determine how the superseded data were derived. JS4075 JS4075_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFJ9089216154(NAD 83) JS4075_MARKER: DS = TRIANGULATION STATION DISK JS4075_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS4075_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS4075+STABILITY: SURFACE MOTION JS4075 JS4075 HISTORY - Date Condition Report By JS4075 HISTORY - 1940 MONUMENTED CGS JS4075 HISTORY - 1947 GOOD USGS JS4075 HISTORY - 1949 SEE DESCRIPTION CGS JS4075 HISTORY - 1949 GOOD USGS JS4075 HISTORY - 1973 SEE DESCRIPTION NGS JS4075 JS4075 STATION DESCRIPTION JS4075 JS4075'DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) JS4075'LOCATED ABOUT 5-1/2 MILES NORTH-NORTHEAST OF GEORGETOWN, IN JS4075'SECTION 18, T. 13 N., R. 11 E. AT SITE OF JAKEYS HILL LOOKOUT JS4075'TOWER IN THE ELDORADO NATIONAL FOREST. JS4075' JS4075'REACHED FROM GEORGETOWN BY ROAD NORTHEAST (VIRNER SIGN) 3.85 JS4075'MILES TO GEORGETOWN RANGER STATION. CONTINUE EAST 1.0 MILE. JS4075'THENCE LEFT, MAIN FORK, 2.1 MILES TO VIRNER. CONTINUE ON MAIN JS4075'ROAD EAST 2.25 MILES. THENCE LEFT FORK (VOLCANOVILLE SIGN), JS4075'NORTH 1.8 MILES. THENCE LEFT FORK NORTHWEST AND WEST 5.45 MILES JS4075'TO VOLCANOVILLE POST OFFICE. CONTINUE WEST 0.05 MILE TO BOTTOM JS4075'OF STEEP GRADE. THENCE LEFT FORK (JAKEYS HILL LOOKOUT SIGN) JS4075'1.05 MILES TO TOP OF HILL AND STATION. JS4075' JS4075'REFERENCE MARK NO. 2 IS BRONZE DISK (U.S. DEPT. OF AGRICULTURE, JS4075'STAMPED FSM JAKEY HILL LKT, LBL 1939), SET IN STEP OF LOOKOUT JS4075'TOWER. JS4075' JS4075'THE CENTER OF BALT MOUNTAIN LOOKOUT TOWER WAS USED AS AZIMUTH JS4075'MARK. JS4075' JS4075'CENTER OF JAKEYS HILL LOOKOUT TOWER AS DETERMINED BY STRETCHING JS4075'TAPE ACROSS TWO CENTER GIRDERS. (TEMPORARY POINT). JS4075' JS4075'SURFACE MARK, UNDERGROUND MARK AND REFERENCE MARK NO. 1 ARE JS4075'SET AS DESCRIBED IN NOTES 1A, 7A, AND 11A. JS4075' JS4075'HEIGHT OF LIGHT ABOVE STATION MARK - 1.2 METERS. JS4075 JS4075 STATION RECOVERY (1947) JS4075 JS4075'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1947 JS4075'RECOVERED AS DESCRIBED. JS4075 JS4075 STATION RECOVERY (1949) JS4075 JS4075'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1949 (WRH) JS4075'THE STATION WAS FOUND IN GOOD CONDITION. THE R.M.S WERE NOT JS4075'SEARCHED FOR AS THE STATION WAS NOT OCCUPIED. JS4075' JS4075'THE STATION IS LOCATED ABOUT 5-1/2 MILES AIRLINE NORTH-NORTHEAST JS4075'OF GEORGETOWN, IN SECTION 18, T.13N., R.11E., AT THE SITE OF JS4075'JAKEYS HILL LOOKOUT TOWER IN ELDORADO NATIONAL FOREST. JS4075' JS4075'THE STATION IS A STANDARD DISK STAMPED JAKEYS HILL 1940 SET IN JS4075'THE TOP OF A CONCRETE POST. JS4075' JS4075'TO REACH THE STATION FROM GEORGETOWN BY ROAD, GO NORTHEAST AS JS4075'PER SIGN VIRNER FOR 3.85 MILES TO THE GEORGETOWN RANGER STATION. JS4075'CONTINUE EAST 1.0 MILE TO A FORK, TAKE THE LEFT MAIN TRAVELED JS4075'FORK FOR 2.1 MILES TO VIRNER. CONTINUE ON THE MAIN ROAD EAST JS4075'2.25 MILES TO A FORK AND A SIGN VOLCANOVILLE, TAKE THE LEFT, JS4075'NORTH, FORK FOR 1.8 MILE TO A FORK, TAKE THE LEFT, NORTHWEST JS4075'FORK WHICH LATER TURNS TO THE WEST FOR 5.45 MILES TO THE JS4075'VOLCANOVILLE POST OFFICE. CONTINUE WEST FOR 0.05 MILE TO THE BOTTOM JS4075'OF A STEEP GRADE AND A FORK, TAKE THE LEFT FORK AS PER SIGN JS4075'JAKEYS HILL LOOKOUT FOR 1.05 MILES TO THE TOP OF THE HILL JS4075'AND THE STATION. JS4075 JS4075 STATION RECOVERY (1949) JS4075 JS4075'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 JS4075'RECOVERED AS DESCRIBED. JS4075' JS4075'JAKEYS HILL LOT--NOT DESCRIBED. JS4075 JS4075 STATION RECOVERY (1973) JS4075 JS4075'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (GAW) JS4075'THE STATION AND REFERENCE MARKS WERE FOUND IN GOOD CONDITION AS JS4075'DESCRIBED BY J.C.S. IN 1940. JS4075' JS4075'THE DESCRIPTION BY WALTER R. HELM IN 1949 IS ADEQUATE. JS4075' JS4075'STATION WAS NOT OCCUPIED AND DISTANCES AND DIRECTIONS WERE NOT JS4075'CHECKED. JS4075' JS4075'HEIGHT OF LIGHT ABOVE STATION MARK 4.55 FEET. JS4075' JS4075'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--5.5 MILES JS4075'NNE OF GEORGETOWN