STATE OF DELAWARE CONTENTS US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N380751 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: ELLENDALE CBL DELAWARE SILVER SPRING MD 20910 - NOVEMBER 30, 1999 PROJECT ACCESSION NUMBER: 17026 SUSSEX COUNTY NEAREST TOWN: ELLENDALE LIST OF ADJUSTED DISTANCES (November 24, 1999) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 14.021 150 14.239 150.1506 150.1508 0.1 0 14.021 400 13.850 400.3822 400.3822 0.2 0 14.021 1100 14.292 1100.0262 1100.0263 0.2 150 14.239 400 13.850 250.2316 250.2319 0.1 150 14.239 1100 14.292 949.8757 949.8757 0.2 400 13.850 1100 14.292 699.6441 699.6442 0.1 DESCRIPTION OF ELLENDALE 113 BASE LINE YEAR MEASURED: 1999 YEAR VERIFIED: 2011 LATITUDE: 38 46 14 LONGITUDE: 075 26 20 AZIMUTH: 360 DEGREES TRUE NORTH CHIEF OF PARTY: OWM THE BASE LINE IS LOCATED ABOUT 4.3 KM (2.74 MI) SOUTH SOUTHEAST OF ELLENDALE, 9.2 KM (5.7 MI) NORTH NORTHWEST OF GEORGETOWN, AND 16.1 KM (10.0 MI) SOUTH OF MILFORD ALONG THE WEST SIDE OF U.S.HIGHWAY 113 IN A CLEARED AREA PARALLELING THE HIGHWAY. THE BASE LINE IS AN NORTH-SOUTH LINE WITH THE 0-METER POINT ON THE SOUTH END. IT CONSISTS OF THE 0, 150, 400, AND 1100 METER POINTS. THERE IS NO 100-FOOT TAPE CALIBRATION STATION LOCATED AT THIS BASE LINE. TO REACH THE 0-METER POINT FROM INTERSECTION OF U.S. HIGHWAY 113 AND STATE ROUTE 16 LOCATED JUST WEST OF ELLENDALE, GO SOUTH ON U.S. HIGHWAY 113 FOR 2.98 KM (1.85 MI) TO A CROSSOVER ON THE LEFT BETWEEN THE NORTHBOUND AND SOUTHBOUND LANES OF U.S. HIGHWAY 113 AND A PAVED ENTRANCE ON THE RIGHT TO THE 1100 METER POINT. CONTINUE SOUTH ON U.S. HIGHWAY 113 FOR 0.72 KM (0.45 MI) TO ANOTHER CROSSOVER BETWEEN THE NORTHBOUND AND SOUTHBOUND LANES OF U.S. HIGHWAY 113 AND ANOTHER PAVED ENTRANCE ON THE RIGHT TO THE 400 METER POINT. CONTINUE SOUTH ON U.S. HIGHWAY 113 FOR 0.24 KM (0.15 MI) TO A PAVED ENTRANCE ON THE RIGHT TO THE 150 METER POINT. CONTINUE SOUTH ON U.S. HIGHWAY 113 FOR 0.16 KM (0.10 MI) TO A PAVED ENTRANCE ON THE RIGHT. TURN RIGHT INTO THE PAVED ENTRANCE AND THE 0 METER POINT STRAIGHT AHEAD. THE 0-METER POINT IS A STANDARD NATIONAL GEODETIC SURVEY (NGS) CALIBRATION BASE LINE DISK, STAMPED "0 1997" SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22.9 M (71.1 FT) WEST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF U.S.HIGHWAY 113, 6.6 M (21.7 FT) WEST OF THE SOUTHWEST CORNER OF THE PAVED ENTRANCE, AND 5.2 M (17.1 FT) EAST OF AN ORANGE FIBERGLASS WITNESS POST. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, STAMPED "150 1997" SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22.8 M (74.8 FT) WEST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF U.S. HIGHWAY 113, 8.8 M (28.9 FT) NORTHWEST OF THE SOUTHWEST CORNER OF THE PAVED ENTRANCE, AND 7.4 M (24.3 FT) EAST OF AN ORANGE FIBERGLASS WITNESS POST. THE 400-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, STAMPED "400 1997" SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22.73 M (74.6 FT) WEST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF U.S. HIGHWAY 113, 13.4 M (44.0 FT) NORTHWEST OF A TWO FOOT PINE TREE SOUTH OF THE ENTRANCE, 7.35 M (24.1 FT) EAST OF AN ORANGE FIBERGLASS WITNESS POST. THE 1100-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK, STAMPED "1100 1997" SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22.7 M (74.5 FT) WEST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF U.S. HIGHWAY 113, 7.8 M (25.6 FT) WEST OF THE NORTHWEST CORNER OF THE PAVED ENTRANCE, AND 7.0 M (23.0 FT) EAST OF AN ORANGE FIBERGLASS WITNESS POST. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. IMPORTANT NOTE: AT THE TIME OF ESTABLISHMENT, EACH OF THE CBL MARKS WAS SURROUNDED BY A LOOSE FILL OF OLD GRAVEL AND ASPHALT. THIS MATERIAL IS UNSUITABLE FOR STABLE SETUPS. DRIVE PIPE OR WOODEN STAKES TO SUPPORT TRIPODS LEGS. THIS CALIBRATION BASE LINE WAS ESTABLISHED WITH ASSISTANCE FROM THE DELAWARE DEPARTMENT OF TRANSPORTATION AND THE NATIONAL GEODETIC SURVEY GEODETIC ADVISOR FOR THE STATE OF DELAWARE. FOR MORE INFORMATION PLEASE CONTACT MR. JOHN COLLIER, DELAWARE DEPARTMENT OF TRANSPORTATION, AT 302-760-2344.