STATE OF DELAWARE CONTENTS BASE LINE DESIGNATION STATE COUNTY QUAD DOVER CBL (1993 VERIFIED) DELAWARE KENT N390753 ELLENDALE 113 CBL DELAWARE SUSSEX N380751 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N390753 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: DOVER CBL DELAWARE ROCKVILLE MD 20852 - MAY 3, 1993 PROJECT ACCESSION NUMBER: G17086 KENT COUNTY NEAREST TOWN: WOODSIDE LIST OF ADJUSTED DISTANCES (JUNE 9, 1983) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 16.916 150 16.595 150.0062 150.0065 0.2 0 16.916 430 16.539 430.0087 430.0089 0.4 0 16.916 1400 16.930 1400.0173 1400.0173 0.6 150 16.595 430 16.539 280.0026 280.0026 0.4 150 16.595 1400 16.930 1250.0111 1250.0112 0.5 430 16.539 1400 16.930 970.0085 970.0086 0.3 DESCRIPTION OF DOVER BASE LINE YEAR MEASURED: 1983 YEAR VERIFIED: 1993 CHIEF OF PARTY: KM THE BASE LINE IS LOCATED ABOUT 16.1 KM (10.0 MI) NORTH OF HARRINGTON, 10.5 KM (6.5 MI) SOUTH OF DOVER AND 0.80 KM (0.5 MI) EAST OF WOODSIDE AT THE JUNCTION OF UNITED STATES HIGHWAY 13 AND COUNTY ROAD 30. THE BASE LINE RUNS ALONG AND IS APPROXIMATELY PARALLEL WITH THE MEDIAN STRIP THAT SEPERATES THE NORTH AND SOUTHBOUND LANES OF U.S. HIGHWAY 13. THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0-METER POINT ON THE NORTH END. IT CONSISTS OF THE 0, 150, 430, AND 1400 METER POINTS. TO REACH THE 0-METER POINT FROM THE JUNCTION OF U.S. HIGHWAYS 13 AND 113, LOCATED IN DOVER, GO SOUTH ON U.S. HIGHWAY 13 FOR 10.5 KM (6.5 MI) TO THE INTERSECTION OF COUNTY ROAD 30 AND THE 0-METER POINT IN THE GRASS MEDIAN STRIP JUST SOUTH OF THE INTERSECTION. THE 0-METER POINT IS A STANDARD NGS CBL DISK STAMPED "0 1982" SET IN THE TOP OF A 48 CM (19 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 22.1 M (72.5 FT) SOUTH OF THE CENTERLINE OF COUNTY ROAD 30, 12.7 M (41.7 FT) WEST OF THE CENTERLINE OF THE NORTHBOUND LANES OF HIGHWAY 13, 9.8 M (32.2 FT) EAST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF HIGHWAY 13, 0.7 M (2.3 FT) WEST OF A FIBERGLASS WITNESS POST, AND 0.5 M (1.6 FT) EAST OF A METAL FENCE POST. THE 150-METER POINT IS A STANDARD NGS CBL DISK STAMPED "150 1982" SET IN THE TOP OF A 48 CM (19 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 12.7 M (41.7 FT) WEST OF THE CENTERLINE OF THE NORTHBOUND LANES OF HIGHWAY 13, 9.8 M (32.2 FT) EAST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF HIGHWAY 13, 0.6 M (2.0 FT) EAST OF A METAL FENCE POST, AND 0.5 M (1.6 FT) EAST OF A FIBERGLASS WITNESS POST. THE 430-METER POINT IS A STANDARD NGS CBL DISK STAMPED "430 1982" SET IN THE TOP OF A 51 CM (20 IN) DIAMETER CONCRETE POST RECESSED 20 CM (8 IN) BELOW THE SURFACE OF AND SURROUNDED BY A 61 CM (24 IN) BY 61 CM (24 IN) METAL BOX AND LID FLUSH WITH THE SURFACE OF THE GROUND. IT IS 12.8 M (42.0 FT) WEST OF THE CENTERLINE OF THE NORTHBOUND LANES OF HIGHWAY 13, 9.8 M (32.2 FT) EAST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF HIGHWAY 13, 0.8 M (2.6 FT) EAST OF A METAL FENCE POST AND 0.7 (2.3 FT) NORTHWEST OF A FIBERGLASS WITNESS POST. THE 1400-METER POINT IS A STANDARD NGS CBL DISK STAMPED "1400 1982" SET IN THE TOP OF A 48 CM (19 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 54.4 M (178.5 FT) NORTH OF THE CENTERLINE OF A MEDIAN CROSSOVER, 12.8 M (42.0 FT) WEST OF THE CENTERLINE OF THE NORTHBOUND LANES OF HIGHWAY 13, 9.6 M (31.5 FT) EAST OF THE CENTERLINE OF THE SOUTHBOUND LANES OF HIGHWAY 13, 0.4 M (1.3 FT) WEST OF A FIBERGLASS WITNESS POST, AND 0.3 M (1.0 FT) EAST OF A METAL FENCE POST. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. TRAFFIC IS EXTREMELY HEAVY ON THE HIGHWAY, SAFETY PRECAUTIONS ARE STRONGLY RECOMMENDED. THIS CALIBRATION BASE LINE WAS ESTABLISHED AND REMEASURED WITH ASSISTANCE FROM THE DELAWARE DEPARTMENT OF TRANSPORTATION. FOR MORE INFORMATION CONTACT MR. JAMES JENSEN, DELAWARE DEPARTMENT OF TRANSPORTATION, CENTRAL DISTRICT, P.O. BOX 778 DOVER, DE 19903, TELEPHONE 302-739-3866. US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N380751 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: ELLENDALE 113 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 1997 14.021 150 1997 14.239 150.1506 150.1508 0.1 0 1997 14.021 400 1997 13.850 400.3822 400.3822 0.2 0 1997 14.021 1100 1997 14.292 1100.0262 1100.0263 0.2 150 1997 14.239 400 1997 13.850 250.2316 250.2319 0.1 150 1997 14.239 1100 1997 14.292 949.8757 949.8757 0.2 400 1997 13.850 1100 1997 14.292 699.6441 699.6442 0.1 DESCRIPTION OF ELLENDALE 113 BASE LINE YEAR MEASURED: 1999 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 WINKLER, DELAWARE DEPARTMENT OF TRANSPORTATION, AT 302-760-2344.