National Geodetic Survey, Retrieval Date = OCTOBER 26, 2004 JS4050 *********************************************************************** JS4050 DESIGNATION - BALTIC JS4050 PID - JS4050 JS4050 STATE/COUNTY- CA/EL DORADO JS4050 USGS QUAD - SLY PARK (1973) JS4050 JS4050 *CURRENT SURVEY CONTROL JS4050 ___________________________________________________________________ JS4050* NAD 83(1992)- 38 41 39.05112(N) 120 30 54.92925(W) ADJUSTED JS4050* NAVD 88 - 1548.57 (+/-2cm) 5080.6 (feet) VERTCON JS4050 ___________________________________________________________________ JS4050 EPOCH DATE - 1991.35 JS4050 LAPLACE CORR- 15.56 (seconds) DEFLEC99 JS4050 GEOID HEIGHT- -25.75 (meters) GEOID03 JS4050 JS4050 HORZ ORDER - FIRST JS4050 VERT ORDER - THIRD ? (See Below) JS4050 JS4050.The horizontal coordinates were established by classical geodetic methods JS4050.and adjusted by the National Geodetic Survey in March 1994. JS4050.The horizontal coordinates are valid at the epoch date displayed above. JS4050.The epoch date for horizontal control is a decimal equivalence JS4050.of Year/Month/Day. JS4050 JS4050.The NAVD 88 height was computed by applying the VERTCON shift value to JS4050.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JS4050.The vertical order pertains to the NGVD 29 superseded value. JS4050 JS4050.The Laplace correction was computed from DEFLEC99 derived deflections. JS4050 JS4050.The geoid height was determined by GEOID03. JS4050 JS4050; North East Units Scale Factor Converg. JS4050;SPC CA 2 - 615,114.912 2,129,155.889 MT 0.99993776 +0 56 09.9 JS4050;SPC CA 2 - 2,018,089.51 6,985,405.61 sFT 0.99993776 +0 56 09.9 JS4050;UTM 10 - 4,285,770.760 716,096.218 MT 1.00017508 +1 33 14.3 JS4050 JS4050! - Elev Factor x Scale Factor = Combined Factor JS4050!SPC CA 2 - 0.99976112 x 0.99993776 = 0.99969890 JS4050!UTM 10 - 0.99976112 x 1.00017508 = 0.99993616 JS4050 JS4050: Primary Azimuth Mark Grid Az JS4050:SPC CA 2 - LEEK 108 09 29.6 JS4050:UTM 10 - LEEK 107 32 25.2 JS4050 JS4050|---------------------------------------------------------------------| JS4050| PID Reference Object Distance Geod. Az | JS4050| dddmmss.s | JS4050| JS3939 LEEK APPROX.21.9 KM 1090539.5 | JS4050| DA8683 BALTIC RM 1 21.412 METERS 15224 | JS4050| DA8682 BALTIC AZ MK 1542622.8 | JS4050| DA8684 BALTIC RM 2 37.296 METERS 26406 | JS4050| JS4052 BALTIC LOOKOUT TOWER 15.996 METERS 26908 | JS4050| JS4051 BALTIC 1940 ECC 24.859 METERS 32519 | JS4050|---------------------------------------------------------------------| JS4050 JS4050 SUPERSEDED SURVEY CONTROL JS4050 JS4050 NAD 83(1986)- 38 41 39.02801(N) 120 30 54.91529(W) AD(1984.00) 1 JS4050 NAD 27 - 38 41 39.37000(N) 120 30 51.19400(W) AD( ) 1 JS4050 NGVD 29 (07/19/86) 1547.63 (m) 5077.5 (f) LEVELING 3 JS4050 JS4050.Superseded values are not recommended for survey control. JS4050.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JS4050.See file dsdata.txt to determine how the superseded data were derived. JS4050 JS4050_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH1609685771(NAD 83) JS4050_MARKER: DS = TRIANGULATION STATION DISK JS4050_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JS4050_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JS4050+STABILITY: SURFACE MOTION JS4050 JS4050 HISTORY - Date Condition Report By JS4050 HISTORY - 1940 MONUMENTED CGS JS4050 HISTORY - 1949 GOOD USGS JS4050 HISTORY - 1971 SEE DESCRIPTION NGS JS4050 HISTORY - 1972 SEE DESCRIPTION NGS JS4050 HISTORY - 1973 SEE DESCRIPTION NGS JS4050 JS4050 STATION DESCRIPTION JS4050 JS4050'DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) JS4050'STATION IS LOCATED IN THE ELDORADO NATIONAL FOREST, 16.6 METERS JS4050'EAST OF THE CENTER OF THE U.S. FOREST SERVICE LOOKOUT TOWER. JS4050' JS4050'REACHED FROM PACIFIC POST OFFICE, A SMALL SETTLEMENT 19 MILES JS4050'EAST OF PLACERVILLE ON U.S. HIGHWAY 50, BY CONTINUING EAST JS4050'ON U.S. HIGHWAY 50 FOR 0.15 MILE TO A DIRT ROAD LEADING RIGHT, JS4050'SOUTHEAST, UP STEEP GRADE AND SIGN, PLUM CREEK MILL. TAKE JS4050'DIRT ROAD FOR 0.9 MILE TO FORKS. TAKE RIGHT FORK FOR 0.1 MILE JS4050'TO FORKS AND SIGN, HAZEL VALLEY 4.5, DITCH CAMP 1. TAKE RIGHT JS4050'FORK, SOUTH, FOR 0.3 MILE TO FORKS. CONTINUE RIGHT, SOUTH, ON JS4050'MAIN TRAVELED ROAD FOR 0.8 MILE TO FORKS AND SIGN IRON JS4050'MOUNTAIN 13, PHIPPINS MILL. KEEP STRAIGHT AHEAD SOUTH, JS4050'FOLLOWING PHIPPINS MILL SIGN FOR 3.2 MILES TO PHIPPINS JS4050'MILL. CONTINUE STRAIGHT AHEAD FOR 0.10 MILE TO FORKS. JS4050'KEEP LEFT FORK AND FOLLOW MAIN TRAVELED ROAD FOR 2.25 JS4050'MILES TO FORK AND SIGN, BALTIC LOOKOUT 6. TAKE RIGHT FORK FOR JS4050'3.8 MILES TO FORK AND SIGN, BALTIC LOOKOUT 2. KEEP RIGHT JS4050'FOR 1.75 MILES TO SIGN, GRIZZLY FLATS 8. TO FORK AND SIGN JS4050'BALTIC LOOKOUT 2. KEEP RIGHT FOR 1.75 MILES TO SIGN GRIZZLY JS4050'FLATS 8. TURN LEFT 0.15 MILE TO LOOKOUT TOWER AND STATION JS4050'MARK. JS4050' JS4050'STATION IS MARKED BY A STANDARD DISK SET IN A SQUARE BLOCK JS4050'OF CONCRETE PROJECTING ABOUT 3 INCHES ABOVE THE GROUND, 16.6 JS4050'METERS EAST OF THE CENTER OF BALTIC LOOKOUT TOWER. STAMPED JS4050'BALTIC 1940. JS4050' JS4050'REFERENCE MARK NO. 1 IS A STANDARD DISK SET IN A SQUARE BLOCK JS4050'OF CONCRETE SOUTH-SOUTHEAST OF STATION. STAMPED BALTIC NO. 1, JS4050'1940. JS4050' JS4050'REFERENCE MARK NO. 2 IS A STANDARD DISK SET FLUSH IN THE JS4050'CONCRETE DRIVEWAY OF GARAGE, ABOUT 122 FEET WEST OF STATION. JS4050'STAMPED BALTIC NO. 2, 1940. JS4050' JS4050'AZIMUTH MARK IS A STANDARD DISK SET IN A SQUARE BLOCK OF CONCRETE JS4050'ABOUT 330 YARDS SOUTH-SOUTHEAST OF STATION, PROJECTING ABOUT 2 JS4050'INCHES ABOVE THE GROUND. STAMPED BALTIC 1940. JS4050' JS4050'A 90-FOOT STEEL TOWER ERECTED OVER STATION TO SEE ALL LINES. JS4050' JS4050'SURFACE, UNDERGROUND, REFERENCE AND AZIMUTH MARKS ARE SET JS4050'AS DESCRIBED IN NOTES 1A, 7A AND 11A. JS4050 JS4050 STATION RECOVERY (1949) JS4050 JS4050'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 JS4050'RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. JS4050' JS4050'BALTIC LOT--80-FT STEEL USFS LOT. JS4050 JS4050 STATION RECOVERY (1971) JS4050 JS4050'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (LFS) JS4050'REFERENCE MARK 2 AND THE AZIMUTH MARK WERE RECOVERED IN GOOD JS4050'CONDITION. THE REFERENCE MARK 1 CONCRETE POST WAS FOUND JS4050'CHIPPED ON TOP BUT IT WAS SOLID IN THE GROUND. THE SURFACE JS4050'STATION MARK WAS FOUND TILTED SLIGHTLY TO THE SOUTH SO THE MARK JS4050'WAS REMOVED, THE UNDERGROUND STATION MARK WAS RECOVERED IN GOOD JS4050'CONDITION, THE POINT WAS HELD AND THE SURFACE STATION MARK JS4050'WAS SET BACK IN THE SAME EXACT POSITION. THE DIRECTIONS TO JS4050'REFERENCE MARKS 1 AND 2 AND THE DISTANCE TO REFERENCE MARK 2 JS4050'MEASURED ON THIS DATE AGREED WITH THE 1940 MEASUREMENTS. JS4050'A SLIGHT DIFFERENCE IN THE DISTANCE TO REFERENCE MARK 1 WAS JS4050'NOTED. THE AZIMUTH MARK COULD NOT BE SEEN FROM THE GROUND JS4050'AT THE STATION AND THERE WAS NO SUITABLE LOCATION FOR JS4050'ANOTHER AZIMUTH MARK. A COMPLETE DESCRIPTION FOLLOWS-- JS4050' JS4050'THE STATION IS LOCATED NEAR THE BALTIC PEAK LOOKOUT TOWER ON JS4050'BALTIC PEAK, A TIMBERED HILL IN THE ELDORADO NATIONAL FOREST, JS4050'AIRLINE ABOUT 16 MILES EAST OF PLACERVILLE, 7 MILES SOUTHEAST OF JS4050'POLLOCK PINES, 3 MILES EAST-SOUTHEAST OF SLY PARK DAM AT THE JS4050'SOUTHWEST END OF JENKINSON LAKE AND IS IN THE NW 1/4 OF SEC. JS4050'26, T 10 N, R 13 E. JS4050' JS4050'TO REACH THE STATION FROM THE INTERSECTION OF U.S. HIGHWAY 50 JS4050'AND SLY PARK ROAD AT POLLOCK PINES GO SOUTH ON SLY PARK ROAD JS4050'(COUNTY ROAD E 16) 4.3 MILES TO A FORK. TURN LEFT AS/SIGN SLY JS4050'PARK AND GO EAST 3.5 MILES TO A SIDE ROAD ON THE RIGHT AT A SIGN JS4050'BALTIC L.O. TURN RIGHT AND GO SOUTH 3.7 MILES TO A FORK. TAKE JS4050'THE RIGHT FORK AS/SIGN BALTIC L.O. 2 AND GO SOUTHEAST 3.1 MILES JS4050'TO A FORK. TURN RIGHT AS/SIGN BALTIC AND GO NORTH 0.6 MILE JS4050'TO THE HIGHEST POINT OF THE HILL, THE BALTIC PEAK LOOKOUT AND JS4050'THE STATION SITE. JS4050' JS4050'THE UNDERGROUND STATION MARK IS A C AND GS TRIANGULATION STATION JS4050'DISK STAMPED BALTIC 1940 SET IN THE TOP OF A BLOCK OF CONCRETE JS4050'3.3 FEET BELOW THE SURFACE OF THE GROUND. JS4050' JS4050'THE SURFACE STATION MARK IS A C AND GS TRIANGULATION STATION JS4050'DISK STAMPED BALTIC 1940 1971 SET IN THE TOP OF A 12-INCH SQUARE JS4050'CONCRETE POST PROJECTING 0.1 FOOT ABOVE THE GROUND AND IS 9.5 JS4050'FEET SOUTHWEST OF A WOODEN WITNESS POST AND 7.0 FEET EAST OF JS4050'A FLAGPOLE. JS4050' JS4050'REFERENCE MARK 1 IS A C AND GS REFERENCE MARK DISK STAMPED JS4050'BALTIC NO 1 1940 SET IN THE TOP OF A 12-INCH SQUARE CONCRETE JS4050'POST PROJECTING 0.2 FOOT ABOVE THE GROUND AND IS ABOUT 7 JS4050'FEET LOWER THAN THE STATION MARK. JS4050' JS4050'REFERENCE MARK 2 IS A C AND GS REFERENCE MARK DISK STAMPED JS4050'BALTIC NO 2 1940 CEMENTED IN A DRILL HOLE IN THE CONCRETE JS4050'DRIVEWAY OF A GARAGE AND IS ABOUT 2 FEET HIGHER THAN THE STATION JS4050'MARK. JS4050' JS4050'THE AZIMUTH MARK IS A C AND GS AZIMUTH MARK DISK STAMPED BALTIC JS4050'1940 SET IN THE TOP OF A 12-INCH SQUARE CONCRETE POST PROJECTING JS4050'0.2 FOOT ABOVE THE GROUND AND IS ABOUT 330 YARDS SOUTH-SOUTHEAST JS4050'OF THE STATION AND 4 YARDS SOUTHWEST OF THE CENTERLINE OF AN JS4050'ABANDONED ROAD. JS4050 JS4050 STATION RECOVERY (1972) JS4050 JS4050'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (RMB) JS4050'NOTE--STATION WAS NOT OCCUPIED, USED TO SHOW LIGHT ONLY. JS4050' JS4050'ALL MARKS FOUND AS DESCRIBED AND IN GOOD CONDITION. THE STATION JS4050'MARK HAS AN ADDITIONAL STAMPING WHICH READS, 1971, DIRECTLY JS4050'BELOW THE 1940 STAMPING. A NEW TO REACH FOLLOWS-- JS4050' JS4050'TO REACH THE STATION FROM THE JUNCTION OF MISSOURI FLAT ROAD AND JS4050'U.S. ROUTE 50 2 MILES WEST OF PLACERVILLE, GO 1.7 MILES SOUTH JS4050'ON MISSOURI FLAT ROAD TO A T INTERSECTION AND TURN LEFT ONTO JS4050'STATE ROUTE 49 AT DIAMOND SPRINGS, GO 0.5 MILE SOUTHEAST TO JS4050'DIAMOND SPRINGS POST OFFICE. CONTINUE 0.2 MILE SOUTHEAST JS4050'TO AN INTERSECTION, GO STRAIGHT AHEAD 4.5 MILES SOUTHEAST AS JS4050'PER SIGN SOMERSET 10 TO A FORK. TAKE RIGHT FORK AS PER SIGN JS4050'SOMERSET AND GO 4.7 MILES SOUTHEAST ON BUCKS BAR ROAD TO THE JS4050'INTERSECTION OF COUNTY ROAD E16 AT SOMERSET.* CONTINUE 8.2 JS4050'MILES EAST AND SOUTHEAST ON GRIZZLY FLAT ROAD TO A FORK. JS4050'TAKE LEFT FORK AS PER SIGN GRIZZLY FLAT AND GO 0.3 MILE EAST JS4050'ON STRING CANYON ROAD TO A SIDE ROAD AND TURN LEFT AT A SIGN N. JS4050'FK. CONSUMNES RIV. 4, GO 3.6 MILES NORTHEAST AND NORTH JS4050'ON A GRAVEL ROAD TO A BRIDGE. CROSS OVER BRIDGE AND GO 0.4 JS4050'MILE NORTH AS PER SIGN BALTIC L.O. 4-1/2 TO A FORK. TAKE JS4050'LEFT FORK AND GO 1.3 MILES NORTH AND EAST TO A SIDE ROAD AND JS4050'TURN LEFT AS PER SIGN BALTIC LOOKOUT 3 AND GO 1.0 MILE TO AN JS4050'INTERSECTION AT A GROUP OF BUILDINGS. GO 1.2 MILES EAST AS PER JS4050'SIGN BALTIC L.O. 2 TO A FORK. TAKE THE LEFT FORK AS PER JS4050'SIGN BALTIC AND GO 0.5 MILE NORTH TO A FORK. TAKE RIGHT JS4050'FORK AND GO 0.5 MILE NORTH TO THE HIGHEST POINT ON THE JS4050'HILL, BALTIC LOOKOUT TOWER AND THE STATION SITE. JS4050' JS4050'*THE STATION CAN BE REACHED FROM PLYMOUTH BY FOLLOWING COUNTY JS4050'ROAD E16 NORTHEAST 19 MILES TO SOMERSET THEN FOLLOWING THE JS4050'ABOVE DESCRIPTION FROM THERE. JS4050' JS4050'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--6 MILES JS4050'SOUTH-SOUTHEAST OF POLLOCK PINES JS4050 JS4050 STATION RECOVERY (1973) JS4050 JS4050'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (GAW) JS4050'STATION MARK AND REFERENCE MARKS WERE FOUND AS DESCRIBED BY JS4050'L.F. SMITH IN 1971. JS4050' JS4050'AN ECCENTRIC POINT WAS NEEDED TO OBSERVE POLLOCK (CADH). JS4050' JS4050'NOTE--STATION MARK WAS USED AS A THIRD-ORDER BENCH MARK BY JS4050'USGS IN 1948 BY L.R. CURTIS. ELEVATION = 5077.508, ADJUSTMENT JS4050'OF 6-13-62. JS4050' JS4050'HEIGHT OF LIGHT ABOVE STATION MARK 5.31 FEET. JS4050' JS4050'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--6.0 MILES SE OF JS4050'POLLOCK PINES