1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2002 EB2822 *********************************************************************** EB2822 CBN - This is a Cooperative Base Network Control Station. EB2822 DESIGNATION - DAR EB2822 PID - EB2822 EB2822 STATE/COUNTY- SC/DARLINGTON EB2822 USGS QUAD - DARLINGTON EAST (1963) EB2822 EB2822 *CURRENT SURVEY CONTROL EB2822 ___________________________________________________________________ EB2822* NAD 83(1986)- 34 16 00.91113(N) 079 50 47.35633(W) ADJUSTED EB2822* NAVD 88 - 43.455 (meters) 142.57 (feet) ADJUSTED EB2822 ___________________________________________________________________ EB2822 LAPLACE CORR- -2.48 (seconds) DEFLEC99 EB2822 GEOID HEIGHT- -32.00 (meters) GEOID99 EB2822 DYNAMIC HT - 43.413 (meters) 142.43 (feet) COMP EB2822 MODELED GRAV- 979,670.6 (mgal) NAVD 88 EB2822 EB2822 HORZ ORDER - FIRST EB2822 VERT ORDER - FIRST CLASS II EB2822 EB2822.The North Carolina/South Carolina HARNS have been completed but, EB2822.due to contractual restrictions, coordinates for these stations EB2822.will NOT be published in the near future. In the interim, the EB2822.published coordinates in North and South Carolina will not be EB2822.consistent with the Continuously Operating Reference Stations EB2822.(CORS). The HARN coordinates for these stations are available EB2822.upon request. Contact Gary Thompson(919-733-3836), or Lewis EB2822.Lapine(803-896-7700). EB2822. EB2822.In addition, the published North and South Carolina positions EB2822.(NAD 83 (1986)) are NOT consistent with those determined in EB2822.adjacent state readjustments. The discontinuity between stations EB2822.located in North or South Carolina and those in adjacent states EB2822.which have been adjusted to the HARN may be as much as 5 EB2822.decimeters. This will result in a significant loss of accuracy EB2822.over lines crossing such state borders. EB2822 EB2822 EB2822.The horizontal coordinates were established by GPS observations EB2822.and adjusted by the National Geodetic Survey in July 1993. EB2822 EB2822.The orthometric height was determined by differential leveling EB2822.and adjusted by the National Geodetic Survey in June 1994. EB2822 EB2822.The Laplace correction was computed from DEFLEC99 derived deflections. EB2822 EB2822.The geoid height was determined by GEOID99. EB2822 EB2822.The dynamic height is computed by dividing the NAVD 88 EB2822.geopotential number by the normal gravity value computed on the EB2822.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 EB2822.degrees latitude (g = 980.6199 gals.). EB2822 EB2822.The modeled gravity was interpolated from observed gravity values. EB2822 EB2822; North East Units Scale Converg. EB2822;SPC SC - 270,470.686 715,814.132 MT 0.99984791 +0 38 22.2 EB2822;SPC SC - 887,371.02 2,348,471.56 iFT 0.99984791 +0 38 22.2 EB2822;UTM 17 - 3,792,354.084 606,192.649 MT 0.99973900 +0 38 58.4 EB2822 EB2822: Primary Azimuth Mark Grid Az EB2822:SPC SC - DAR AZ MK 324 05 53.8 EB2822:UTM 17 - DAR AZ MK 324 05 17.6 EB2822 EB2822|---------------------------------------------------------------------| EB2822| PID Reference Object Distance Geod. Az | EB2822| dddmmss.s | EB2822| EB3221 DAR RM 3 8.062 METERS 09049 | EB2822| EB2823 DAR 1970 RM 1 8.085 METERS 09103 | EB2822| EB2803 FLORENCE RADIO STA WJMX MAST APPROX. 5.8 KM 1351900.2 | EB2822| EB2826 DARLINGTON SC HWY DEPT TWR APPROX. 4.6 KM 3074817.7 | EB2822| EB3219 DAR AZ MK APPROX. 0.7 KM 3244416.0 | EB2822| EB3220 DAR RM 2 7.685 METERS 34750 | EB2822|---------------------------------------------------------------------| EB2822 EB2822 SUPERSEDED SURVEY CONTROL EB2822 EB2822 NAD 83(1986)- 34 16 00.91113(N) 079 50 47.35633(W) AD( ) 2 EB2822 NAD 27 - 34 16 00.36632(N) 079 50 48.12585(W) AD( ) 2 EB2822 NGVD 29 - 43.8 (m) 144. (f) GPS OBS EB2822 EB2822.Superseded values are not recommended for survey control. EB2822.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EB2822.See file dsdata.txt to determine how the superseded data were derived. EB2822 EB2822_MARKER: DS = TRIANGULATION STATION DISK EB2822_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT EB2822_STAMPING: DAR 1970 EB2822_MARK LOGO: CGS EB2822_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET EB2822_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EB2822+STABILITY: SURFACE MOTION EB2822_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR EB2822+SATELLITE: SATELLITE OBSERVATIONS - January 16, 2001 EB2822 EB2822 HISTORY - Date Condition Report By EB2822 HISTORY - 1970 MONUMENTED NGS EB2822 HISTORY - 1970 GOOD CGS EB2822 HISTORY - 1980 GOOD NGS EB2822 HISTORY - 19920916 GOOD SCGS EB2822 HISTORY - 19930704 GOOD SCGS EB2822 HISTORY - 19950127 GOOD SCGS EB2822 HISTORY - 19961002 GOOD SCGS EB2822 HISTORY - 19970223 GOOD USPSQD EB2822 HISTORY - 20010116 GOOD SCGS EB2822 EB2822 STATION DESCRIPTION EB2822 EB2822'DESCRIBED BY NATIONAL GEODETIC SURVEY 1970 (LDF) EB2822'THE STATION IS LOCATED ABOUT 6-1/2 MILES NORTHWEST OF FLORENCE, 3.0 EB2822'MILES SOUTHEAST OF DARLINGTON AND ON STATE RIGHT-OF-WAY PROPERTY. EB2822' EB2822'TO REACH THE STATION FROM THE JUNCTION OF U. S. HIGHWAYS 52, 401 AND EB2822'STATE HIGHWAY 34 IN DARLINGTON, GO SOUTHEAST ON U. S. HIGHWAY 52 EB2822'FOR 2.6 MILES TO A SIDE ROAD RIGHT AND THE AZ MK ON RIGHT AS EB2822'DESCRIBED. CONTINUE SOUTHEAST ON U. S. HIGHWAY 52 FOR 0.4 MILE TO EB2822'RAILROAD MILE POST 300 ON RIGHT AND STATION ON RIGHT AS EB2822'DESCRIBED. EB2822' EB2822'STATION MARK, A STANDARD DISK STAMPED DAR 1970, SET IN TOP OF A EB2822'ROUND CONCRETE POST, 12-INCHES IN DIAMETER, IS SET FLUSH WITH THE EB2822'GROUND. THE MARK IS 57.5 FEET SOUTHWEST OF THE CENTER OF THE EB2822'SOUTHEAST BOUND LANE OF U. S. HIGHWAY 52, 32.3 FEET NORTHEAST OF EB2822'THE NORTHEAST RAIL OF RAILROAD TRACKS AND 10.4 FEET NORTHEAST OF EB2822'THE RAILROAD MILE POST 300 AND THE METAL WITNESS POST. EB2822' EB2822'REFERENCE MARK 1, A STANDARD DISK STAMPED DAR NO 1 1970, SET IN EB2822'TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER, IS SET FLUSH EB2822'WITH THE GROUND. IT IS 51 FEET NORTHEAST OF THE NORTHEAST RAIL OF EB2822'THE RAILROAD TRACKS, 39.5 FEET SOUTHWEST OF THE CENTER OF THE EB2822'SOUTHEAST BOUND LANE OF U. S. HIGHWAY 52 AND 34 FEET SOUTHEAST OF EB2822'THE MILE POST 300. EB2822' EB2822'REFERENCE MARK 2, A STANDARD DISK STAMPED DAR NO 2 1970, IS SET EB2822'IN TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER, IS SET FLUSH EB2822'WITH THE GROUND. IT IS 46.5 FEET NORTHEAST OF THE NORTHEAST RAIL EB2822'OF THE RAILROAD TRACKS, 43 FEET SOUTHWEST OF THE CENTER OF THE EB2822'SOUTHEAST BOUND LANE OF U. S. HIGHWAY 52 AND 33 FEET NORTH OF THE EB2822'RAILROAD MILE POST 300. EB2822' EB2822'AZIMUTH MARK, A STANDARD DISK STAMPED DAR 1970, IS SET IN THE TOP EB2822'OF A 12-INCH IN DIAMETER ROUND CONCRETE POST THAT PROJECTS ABOUT 4 EB2822'INCHES. IT IS 55.5 FEET SOUTHWEST OF THE CENTER OF THE SOUTHEAST EB2822'BOUND LANE OF U. S. HIGHWAY 52, 50.0 FEET NORTHWEST OF THE CENTER EB2822'OF A SAND ROAD, 2.2 FEET NORTH OF A METAL WITNESS POST AND 2.0 FEET EB2822'SOUTH OF POWER LINE POLE NUMBER 9. EB2822' EB2822'HEIGHT OF LIGHT ABOVE STATION MARK 1 METER. EB2822 EB2822 STATION RECOVERY (1970) EB2822 EB2822'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1970 EB2822'RECOVERED IN GOOD CONDITION. EB2822 EB2822 STATION RECOVERY (1980) EB2822 EB2822'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980 (CLN) EB2822'THE STATION MARK, REFERENCE MARK 2 AND THE AZIMUTH MARK WERE EB2822'RECOVERED IN GOOD CONDITION. REFERENCE MARK 1 WAS FOUND TILTED EB2822'OVER. THE MARK WAS RESET AND USED AS REFERENCE MARK 3. THE DISTANCE EB2822'AND DIRECTION TO REFERENCE MARK 2 CHECKED. A NEW DESCRIPTION FOLLOWS. EB2822' EB2822'THE STATION IS LOCATED ABOUT 6.5 MILES NORTHWEST OF FLORENCE, 3 EB2822'MILES SOUTHEAST OF DARLINGTON AND ON STATE RIGHT-OF-WAY. EB2822' EB2822'TO REACH THE STATION FROM THE JUNCTION OF BUSINESS U.S. HIGHWAY 52 EB2822'AND U.S. HIGHWAY 52 BY-PASS ABOUT 1 MILE SOUTHEAST OF DARLINGTON, GO EB2822'SOUTHEAST ON HIGHWAY 52 FOR 0.8 MILE TO THE AZIMUTH MARK ON THE EB2822'RIGHT. CONTINUE SOUTHEAST ON HIGHWAY 52 FOR 0.4 MILE TO MILEPOST EB2822'300 AND THE STATION ON THE RIGHT. EB2822' EB2822'THE STATION MARK STAMPED---DAR 1970---IS A STANDARD DISK SET IN THE EB2822'TOP OF A 12-INCH ROUND CONCRETE MONUMENT THAT IS FLUSH WITH THE EB2822'GROUND. IT IS 56.5 FEET WEST-SOUTHWEST OF THE CENTER OF THE SOUTH EB2822'BOUND LANE OF HIGHWAY 52, 32.5 FEET EAST-NORTHEAST OF THE EAST RAIL EB2822'OF THE RAILROAD TRACKS AND 10.5 FEET EAST-NORTHEAST OF A METAL EB2822'WITNESS POST AND RAILROAD MILEPOST 300. EB2822' EB2822'REFERENCE MARK 2 STAMPED---DAR NO 2 1970---IS A STANDARD DISK SET EB2822'IN THE TOP OF A 12-INCH ROUND CONCRETE MONUMENT THAT IS FLUSH WITH EB2822'THE GROUND. IT IS 46.5 FEET EAST-NORTHEAST OF THE EAST RAIL OF EB2822'TRACKS, 42 FEET WEST-SOUTHWEST OF THE CENTER OF THE SOUTH BOUND LANE EB2822'OF HIGHWAY 52 AND 32 FEET NORTHEAST OF THE WITNESS POST AND MILEPOST. EB2822' EB2822'REFERENCE MARK 3 STAMPED---DAR 1970 NO 3 1980---IS A STANDARD DISK EB2822'SET IN THE TOP OF A 12-INCH ROUND CONCRETE MONUMENT THAT IS FLUSH EB2822'WITH THE GROUND. IT IS 50 FEET EAST-NORTHEAST OF THE EAST RAIL OF EB2822'THE TRACKS, 38 FEET WEST-SOUTHWEST OF THE CENTER OF THE SOUTH BOUND EB2822'LANE OF HIGHWAY 52 AND 34 FEET EAST OF THE WITNESS POST AND MILEPOST. EB2822' EB2822'THE AZIMUTH MARK STAMPED---DAR 1970---IS A STANDARD DISK SET IN THE EB2822'TOP OF A 12-INCH ROUND CONCRETE MONUMENT THAT IS FLUSH WITH THE EB2822'GROUND. IT IS 56 FEET WEST-SOUTHWEST OF THE CENTER OF THE SOUTH EB2822'ROUND LANE OF HIGHWAY 52, 50 FEET NORTH-NORTHWEST OF THE CENTER OF EB2822'A DIRT ROAD, 2.6 FEET NORTH OF A METAL WITNESS POST AND 1.5 FEET EB2822'SOUTH OF A POWERLINE POLE. EB2822' EB2822'DESCRIBED BY ALFRED BAUGH. EB2822 EB2822 STATION RECOVERY (1992) EB2822 EB2822'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 1992 EB2822'STATION IS LOCATED 3.3 MILES (5.3 KM) SOUTH SOUTHEAST OF DARLINGTON, EB2822'7.1 MILES (11.4 KM) NORTH NORTHWEST OF FLORENCE. OWNERSHIP--SCDHPT, EB2822'DIRECTOR OF PRECONSTRUCTION, P.O. BOX 191, COLUMBIA, SC 29202, PHONE EB2822'803-737-1350. EB2822'TO REACH THE STATION FROM THE SOUTHEAST JUNCTION OF U.S. HIGHWAYS 52 EB2822'(SOUTH GOVERNOR WILLIAMS HIGHWAY) AND 52 BUSINESS (SOUTH MAIN STREET) EB2822', 1.7 MILES (2.7 KM) SOUTHEAST OF DARLINGTON, GO SOUTH ON HIGHWAY 52 EB2822'FOR 0.5 MILE (0.8 KM) TO THE JUNCTION OF STATE ROAD 49 (EBENEZER EB2822'ROAD), CONTINUE ON HIGHWAY 52 FOR 0.75 MILE (1.21 KM) TO THE STATION EB2822'ON THE RIGHT NEAR A RAILROAD MILE POST NUMBER 300 (F7 ENGRAVED ON EB2822'SIDE). EB2822'STATION IS A CONCRETE POST FLUSH WITH THE GROUND AND 3.0 FEET (0.9 M) EB2822'BELOW THE HIGHWAY, 56.0 FEET (17.1 M) SOUTHWEST OF THE CENTER OF THE EB2822'EASTBOUND LANES OF THE HIGHWAY, 32.4 FEET (9.9 M) NORTHEAST OF THE EB2822'NORTHEAST RAIL OF THE RAILROAD TRACKS, 10.5 FEET (3.2 M) NORTHEAST OF EB2822'THE MILE POST, 26.4 FEET (8.0 M) WEST OF REFERENCE MARK DAR RM 3, EB2822'25.1 FEET (7.7 M) SOUTH OF REFERENCE MARK DAR RM 2, 144.6 FEET EB2822'(44.1 M) EAST SOUTHEAST OF A CONCRETE RAILROAD SEMAPHORE, 10.3 FEET EB2822'(3.1 M) NORTHEAST OF A WITNESS POST. EB2822'NOTE-STATION IS INTERVISIBLE WITH AZIMUTH MARK DAR AZ MK. EB2822'RECOVERED BY C.E. GEOGHEGAN. EB2822 EB2822 STATION RECOVERY (1993) EB2822 EB2822'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 1993 EB2822'RECOVERED IN GOOD CONDITION. EB2822 EB2822 STATION RECOVERY (1995) EB2822 EB2822'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 1995 (DDW) EB2822'RECOVERED AS DESCRIBED. EB2822 EB2822 STATION RECOVERY (1996) EB2822 EB2822'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 1996 (DDW) EB2822'RECOVERED AS DESCRIBED. EB2822 EB2822 STATION RECOVERY (1997) EB2822 EB2822'RECOVERY NOTE BY US POWER SQUADRON 1997 EB2822'RECOVERED IN GOOD CONDITION. EB2822 EB2822 STATION RECOVERY (2001) EB2822 EB2822'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 2001 (DDW) EB2822'STATION IS LOCATED 2.8 MILES (4.5 KM) SOUTHEAST OF DARLINGTON, 6.9 EB2822'MILES (11.1 KM) NORTHWEST EB2822'OF FLORENCE. OWNERSHIP--SCDOT, DIRECTOR OF PRECONSTRUCTION, P.O. BOX EB2822'191, COLUMBIA, SC EB2822'29202, PHONE 803-737-1350. TO REACH THE STATION FROM THE JUNCTION OF EB2822'U.S. HIGHWAYS 52 EB2822'(SOUTH GOVERNOR WILLIAMS HIGHWAY) AND 52 BUSINESS (SOUTH MAIN STREET), EB2822'1.5 MILES (2.4 KM) EB2822'SOUTH OF DARLINGTON, GO SOUTH ON HIGHWAY 52 FOR 1.25 MILES (2.01 KM) EB2822'TO THE STATION ON EB2822'THE RIGHT NEAR A CONCRETE RAILROAD MILE MARKER F7/300. STATION IS A EB2822'CONCRETE POST EB2822'RECESSED 0.1 FOOT (3.0 CM) AND 2.5 FEET (0.8 M) BELOW THE HIGHWAY, EB2822'56.1 FEET (17.1 M) EB2822'SOUTHWEST OF THE CENTER OF THE SOUTHBOUND LANES OF THE HIGHWAY, 32.2 EB2822'FEET (9.8 M) EB2822'NORTHEAST OF THE NORTHEAST RAIL OF A SET OF RAILROAD TRACKS, 10.6 FEET EB2822'(3.2 M) NORTHEAST EB2822'OF THE CONCRETE MILE MARKER, 144.7 FEET (44.1 M) EAST-SOUTHEAST OF A EB2822'CONCRETE RAILROAD EB2822'RIGHT OF WAY SWITCH MARKER, 331.0 FEET (100.9 M) NORTHWEST OF THE EB2822'CENTER OF A PAVED ROAD EB2822'(LAKE GROVE ROAD), 10.4 FEET (3.2 M) NORTHEAST OF WITNESS POST. EB2822'NOTE-STATION IS EB2822'INTERVISIBLE WITH AZIMUTH MARK DAR AZ MK. RECOVERED BY R.P. MCKEOWN. EB2822' EB2822' EB2822'