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.