National Geodetic Survey, Retrieval Date = OCTOBER 27, 2004 JS4047 *********************************************************************** JS4047 DESIGNATION - BALD JS4047 PID - JS4047 JS4047 STATE/COUNTY- CA/EL DORADO JS4047 USGS QUAD - TUNNEL HILL (1973) JS4047 JS4047 *CURRENT SURVEY CONTROL JS4047 ___________________________________________________________________ JS4047* NAD 83(1992)- 38 54 14.25471(N) 120 42 17.97072(W) ADJUSTED JS4047* NAVD 88 - 1400.9 (meters) 4596. (feet) VERTCON JS4047 ___________________________________________________________________ JS4047 EPOCH DATE - 1991.35 JS4047 LAPLACE CORR- 13.69 (seconds) DEFLEC99 JS4047 GEOID HEIGHT- -26.19 (meters) GEOID03 JS4047 JS4047 HORZ ORDER - FIRST JS4047 JS4047.The horizontal coordinates were established by classical geodetic methods JS4047.and adjusted by the National Geodetic Survey in March 1994. JS4047.The horizontal coordinates are valid at the epoch date displayed above. JS4047.The epoch date for horizontal control is a decimal equivalence JS4047.of Year/Month/Day. JS4047 JS4047.The NAVD 88 height was computed by applying the VERTCON shift value to JS4047.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS4047 JS4047.The Laplace correction was computed from DEFLEC99 derived deflections. JS4047 JS4047.The geoid height was determined by GEOID03. JS4047 JS4047; North East Units Scale Factor Converg. JS4047;SPC CA 2 - 638,146.328 2,112,320.565 MT 0.99991962 +0 48 59.3 JS4047;SPC CA 2 - 2,093,651.74 6,930,171.72 sFT 0.99991962 +0 48 59.3 JS4047;UTM 10 - 4,308,622.794 699,008.514 MT 1.00008770 +1 26 30.4 JS4047 JS4047! - Elev Factor x Scale Factor = Combined Factor JS4047!SPC CA 2 - 0.99978435 x 0.99991962 = 0.99970399 JS4047!UTM 10 - 0.99978435 x 1.00008770 = 0.99987203 JS4047 JS4047: Primary Azimuth Mark Grid Az JS4047:SPC CA 2 - BALD AZ MK 356 42 58.8 JS4047:UTM 10 - BALD AZ MK 356 05 27.7 JS4047 JS4047|---------------------------------------------------------------------| JS4047| PID Reference Object Distance Geod. Az | JS4047| dddmmss.s | JS4047| JS4043 CAMINO PG AND E SURGE TANK APPROX.15.3 KM 1480038.9 | JS4047| JS4046 STATE MOUNTAIN LOOKOUT TOWER APPROX. 9.1 KM 1684332.4 | JS4047| DA8665 BALD RM 2 3.598 METERS 27212 | JS4047| JS4049 BALD MOUNTAIN LOT 1949 2.100 METERS 30345 | JS4047| JS4048 BALD MOUNTAIN LOT USFS 1949 0.183 METERS 30716 | JS4047| DA8664 BALD RM 1 14.682 METERS 32549 | JS4047| DA8663 BALD AZ MK 3573158.1 | JS4047|---------------------------------------------------------------------| JS4047 JS4047 SUPERSEDED SURVEY CONTROL JS4047 JS4047 NAD 83(1986)- 38 54 14.23617(N) 120 42 17.94853(W) AD(1984.00) 1 JS4047 NAD 27 - 38 54 14.58700(N) 120 42 14.19800(W) AD( ) 1 JS4047 NGVD 29 (07/19/86) 1400.0 (m) 4593. (f) VERT ANG JS4047 JS4047.Superseded values are not recommended for survey control. JS4047.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS4047.See file dsdata.txt to determine how the superseded data were derived. JS4047 JS4047_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFJ9900908623(NAD 83) JS4047_MARKER: Z = SEE DESCRIPTION JS4047_SETTING: 0 = UNSPECIFIED SETTING JS4047_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JS4047 JS4047 HISTORY - Date Condition Report By JS4047 HISTORY - 1940 MONUMENTED CGS JS4047 HISTORY - 1947 GOOD USGS JS4047 HISTORY - 1949 SEE DESCRIPTION CGS JS4047 HISTORY - 1949 GOOD USGS JS4047 JS4047 STATION DESCRIPTION JS4047 JS4047'DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) JS4047'STATION IS LOCATED IN THE ELDORADO NATIONAL FOREST UNDERNEATH JS4047'BALD MOUNTAIN STEEL LOOKOUT TOWER, ABOUT 13-1/2 MILES EAST OF JS4047'NORTH OF PLACERVILLE, AND 7-1/2 MILES EAST OF GEORGETOWN. JS4047' JS4047'REACHED FROM GEORGETOWN BY GOING ON OILED ROAD NORTHEAST JS4047'(VIRNER SIGN) 3.85 MILES TO GEORGETOWN RANGER STATION. CONTINUE JS4047'EAST ON OILED ROAD 1.0 MILE. THENCE LEFT MAIN FORK 2.1 MILES JS4047'TO VIRNER. CONTINUE EAST ON MAIN ROAD 2.25 MILES. THENCE JS4047'RIGHT FORK AT SIGN UNCLE TOMS CABIN. SOUTHEAST FOR 2.7 MILES JS4047'TO TOP OF GRADE. THENCE RIGHT AT BALD MOUNTAIN LOOKOUT SIGN JS4047'FOR 1.55 MILES TO FORKS. TAKE RIGHT FORK FOR 0.5 MILE TO JS4047'LOOKOUT AND STATION SITE. JS4047' JS4047'STATION IS MARKED BY A STANDARD DISK SET IN AN 18-INCH SQUARE JS4047'BLOCK OF CONCRETE PROJECTING ABOUT 12 INCHES ABOVE THE GROUND, JS4047'ABOUT 4 FEET NORTHWEST OF THE SOUTHEAST LOOKOUT LEG AND IS JS4047'0.183 METERS (0.600 FOOT) EAST-SOUTHEAST OF DEPT. OF AGRICULTURE JS4047'MARK WHICH IS SET IN THE SAME BLOCK OF CONCRETE AS STATION JS4047'MARK. MARK STAMPED BALD 1940. DEPT. OF AGRICULTURE MARK JS4047'STAMPED F.S.M. BALT MTN. LOOKOUT L.B.G. 1939. JS4047' JS4047'REFERENCE MARK NO. 2 IS A STANDARD DISK SET 3.5 METERS WEST JS4047'OF STATION IN AN 18-INCH SQUARE BLOCK OF CONCRETE PROJECTING JS4047'ABOUT 12 INCHES ABOVE THE GROUND, MARK STAMPED BALD NO. 2, JS4047'1940. JS4047' JS4047'REFERENCE MARK NO. 1 IS A STANDARD DISK SET IN ROCK OUTCROP. JS4047'STAMPED BALD NO. 1, 1940. JS4047' JS4047'SLATE MOUNTAIN LOOKOUT TOWER 5-1/2 MILES EAST OF SOUTH OF JS4047'STATION SERVES AS AN AZIMUTH. JS4047 JS4047 STATION RECOVERY (1947) JS4047 JS4047'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1947 JS4047'RECOVERED AS DESCRIBED. JS4047 JS4047 STATION RECOVERY (1949) JS4047 JS4047'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1949 (WRH) JS4047'THE STATION MARK AND REFERENCE MARKS WERE RECOVERED AND FOUND JS4047'TO BE IN GOOD CONDITION. SLATE MOUNTAIN LOOKOUT TOWER, WHICH JS4047'WAS USED AS THE AZIMUTH MARK IN 1940, WAS NOT RECOVERED, BUT JS4047'A NEW AZIMUTH MARK WAS ESTABLISHED AND IS DESCRIBED BELOW. JS4047'A COMPLETE DESCRIPTION FOLLOWS-- JS4047' JS4047'THE STATION IS LOCATED IN THE ELDORADO NATIONAL FOREST UNDERNEATH JS4047'THE BALD MOUNTAIN LOOKOUT TOWER, ABOUT 13-1/2 MILES AIRLINE JS4047'NORTH-NORTHEAST OF PLACERVILLE, ABOUT 5 MILES AIRLINE JS4047'WEST-NORTHWEST OF PINO GRANDE AND ABOUT 7-1/2 MILES AIRLINE EAST OF JS4047'GEORGETOWN. JS4047' JS4047'TO REACH THE STATION FROM THE POST OFFICE IN GEORGETOWN, GO JS4047'NORTHEAST ON AN OILED ROAD FOR 8.1 MILES TO A FORK. TURN JS4047'RIGHT AS PER SIGN UNCLE TOMS CABIN 18 AND GO 2.8 MILES TO A JS4047'FORK. TURN RIGHT AS PER SIGN BALD MT. LOOKOUT STA. 1.5 AND JS4047'GO 1.5 MILES TO A FORK. TURN RIGHT AS PER SIGN BALD MTN. JS4047'LOOKOUT 1/2 AND GO 0.5 MILE TO THE TOP OF THE HILL, THE JS4047'LOOKOUT AND THE STATION. JS4047' JS4047'THE STATION MARK IS A STANDARD DISK STAMPED BALD 1940 SET JS4047'IN A DRILL HOLE IN THE TOP OF A 14-INCH SQUARE CONCRETE POST JS4047'THAT PROJECTS ABOUT 12 INCHES ABOVE THE GROUND. IT IS 4.4 JS4047'FEET NORTHWEST OF THE SOUTHEAST LEG OF THE LOOKOUT TOWER. JS4047' JS4047'REFERENCE MARK NUMBER 1 IS A STANDARD DISK STAMPED BALD R.M. JS4047'NO 1 1940 SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT JS4047'PROJECTS ABOUT 3 INCHES ABOVE THE GROUND. IT IS ABOUT 1-1/2 JS4047'FEET LOWER THAN THE STATION. JS4047' JS4047'REFERENCE MARK NUMBER 2 IS A STANDARD DISK STAMPED BALD R.M. JS4047'NO 2 1940 SET IN A DRILL HOLE IN THE TOP OF A 14-INCH SQUARE JS4047'CONCRETE POST THAT PROJECTS ABOUT 14 INCHES ABOVE THE GROUND. JS4047'IT IS 4.5 FEET NORTH-NORTHEAST OF THE SOUTHWEST LEG OF THE JS4047'LOOKOUT TOWER AND ABOUT THE SAME ELEVATION AS THE STATION. JS4047' JS4047'THE AZIMUTH MARK IS A STANDARD DISK STAMPED BALD 1940 SET IN JS4047'THE TOP OF A 10-INCH SQUARE CONCRETE POST THAT PROJECTS ABOUT JS4047'1 INCH ABOVE THE GROUND. IT IS 6.9 FEET NORTHEAST OF A JS4047'2-FOOT CAIRN AND ABOUT 15 FEET NORTH OF THE CENTER OF THE JS4047'ROAD. TO REACH THE AZIMUTH MARK FROM THE STATION, GO EAST JS4047'ON THE ROAD FOR 0.5 MILE TO A FORK. KEEP STRAIGHT AHEAD, JS4047'LEFT, AND GO 1.5 MILES TO A FORK. KEEP STRAIGHT AHEAD, LEFT, JS4047'AND GO 0.5 MILE TO A TRIANGLE BLAZED TREE AND A SIDE ROAD JS4047'ON THE LEFT. TURN LEFT AND GO ABOUT 100 FEET TO A FORK. JS4047'TURN RIGHT AND GO 0.2 MILE TO A SHARP LEFT TURN AND THE JS4047'AZIMUTH MARK ON THE LEFT. JS4047' JS4047'THE U.S. DEPARTMENT OF AGRICULTURE FOREST SERVICE DISK IS JS4047'STAMPED F.S.M. BALD MTN. LOOKOUT. L.B.L. 1939, AND IS SET JS4047'IN A DRILL HOLE IN THE TOP OF THE SAME CONCRETE POST THE JS4047'STATION MARK IS SET IN. JS4047' JS4047'BALD MOUNTAIN LOOKOUT HOUSE IS A WHITE, WOODEN BUILDING SET JS4047'ON GROUND THAT IS ABOUT THE SAME ELEVATION AS THE STATION. JS4047' JS4047'BALD MOUNTAIN LOOKOUT TOWER IS A METAL LOOKOUT ENCLOSURE JS4047'MOUNTED ON THE TOP OF A STEEL TOWER THAT IS ABOUT 70 FEET HIGH. JS4047 JS4047 STATION RECOVERY (1949) JS4047 JS4047'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 JS4047'RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. JS4047' JS4047'BALD MOUNTAIN LOT--60-FT STEEL USFS LOT.