US DEPARTMENT OF COMMERCE – NOAA CALIBRATION BASE LINE DATA QUAD: N400812
NOS – NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: BARNESVILLE CBL OHIO
SILVER SPRING MD 20910 PROJECT ACCESSION NUMBER: 15849 BELMONT COUNTY
NEAREST TOWN: BARNESVILLE
LIST OF ADJUSTED DISTANCES (10/ 3/2007)
ADJ. DIST.(M) ADJ. DIST.(M) STD.
FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK – MARK ERROR(MM)
DOUGHTY 1986 401.176 150 400.342 149.9983 150.0006 .1
DOUGHTY 1986 401.176 430 396.704 430.0447 430.0679 .2
DOUGHTY 1986 401.176 DOUGHTY AZ MK 1986 400.203 1299.9275 1299.9279 .3
150 400.342 430 396.704 280.0464 280.0700 .1
150 400.342 DOUGHTY AZ MK 1986 400.203 1149.9291 1149.9292 .2
430 396.704 DOUGHTY AZ MK 1986 400.203 869.8824 869.8895 .1
DESCRIPTION OF BARNESVILLE BASE LINE
YEAR MEASURED: 1985
YEAR REVISED: 2006
THE BASELINE IS LOCATED ABOUT 32.18 KM (20 MI) EAST OF CAMBRIDGE AND 40.23 KM (25 MI) WEST OF WHEELING, WEST VIRGINIA, AT
THE AIRPORT LOCATED 2.25 KM (1.4 MI) WEST OF BARNESVILLE, ALONG THE SOUTH SIDE OF THE RUNWAY. OWNERSHIP IS VILLAGE OF
BARNESVILLE.
TO REACH THE BASE LINE FROM THE JUNCTION OF OHIO STATE HIGHWAYS 800 (CHESTNUT STREET) AND 147 (MAIN STREET) IN DOWNTOWN
BARNESVILLE, GO WEST FOR 2.57 KM (1.6 MI) TO THE AIRPORT ROAD ON THE RIGHT, TURN RIGHT AND GO NORTH FOR 0.16 KM (0.1 MI)
TO THE 1300 METER POINT ON THE RIGHT. TO REACH THE OTHER MARKS, GO EAST ALONG THE SOUTH SIDE OF THE RUNWAY FOR 0.80 KM
(0.5 MI) TO THE 430 METER POINT, CONTINUE EAST FOR 0.24 KM (0.15 MI) TO THE 150 METER POINT, CONTINUE EAST FOR 0.16 KM
(0.1 MI) TO THE 0 METER POINT. THE ENTIRE AIRPORT PROPERTY IS NOW ENCLOSED BY A DEER FENCE WITH AUTOMATIC GATE. THE GATE
OPENS AUTOMATICALLY UPON CLOSE APPROACH OF VEHICLE.
THE BASE LINE IS AN EAST-WEST LINE WITH THE 0 METER POINT ON THE EAST END. IT IS MADE UP OF 0, 150, 430, AND 1300 METER
POINTS, WITH A MARK FOR THE CALIBRATION OF 100 FOOT TAPES SET WEST OF THE 0 METER POINT. ALL MARKS ARE SET ON A LINE
SOUTH OF THE SOUTH EDGE OF THE RUNWAY.
THE 0 METER POINT IS A STANDARD NGS DISK NOT STAMPED SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 66 CM (26 IN) IN
DIAMETER FLUSH WITH THE GROUND LOCATED 57.8 M (189.6 FT) EAST FROM THE EAST EDGE OF THE RUNWAY, 7.9 M (25.9 FT) NORTH
FROM THE WITNESS POST, AND 5.0 M (16.4 FT) WEST FROM THE CREST OF A DOWNWARD SLOPE.
THE 150 METER POINT IS A STANDARD NGS DISK NOT STAMPED SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 66 CM (26 IN ) IN
DIAMETER FLUSH WITH THE GROUND LOCATED 1150.0 M (3772.9 FT) EAST FROM THE 1300 METER POINT, 7.61 M (25.0 FT) NORTH FROM THE
WITNESS POST, AND 5.9 M (19.35 FT) SOUTH FROM THE SOUTH EDGE OF THE RUNWAY.
THE 430 METER POINT IS A STANDARD NGS DISK NOT STAMPED SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 66 CM (26 IN) IN
DIAMETER FLUSH WITH THE GROUND LOCATED 870.0 M (2854.3 FT) EAST FROM THE 1300 METER POINT, 5.9 M (19.35 FT) SOUTH FROM THE
SOUTH EDGE OF THE RUNWAY, AND 6.1 M (20.0 FT) NORTH FROM THE WITNESS POST.
THE 1300 METER POINT IS A STANDARD NGS DISK NOT STAMPED SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 66 CM (26 IN) IN
DIAMETER FLUSH WITH THE GROUND LOCATED 23.9 M (78.4 FT) WSW FROM THE SOUTHWEST CORNER OF THE RUNWAY, 19.5 M (64.0 FT) EAST
FROM THE CENTERLINE OF THE AIRPORT ROAD, AND 4.3 M (14.1 FT) NORTH FROM THE WITNESS POST.
THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE OHIO VALLEY ASSOCIATION OF PROFESSIONAL LAND SURVEYORS. FOR FURTHER
FURTHER INFORMATION CONTACT COUNTY ENGINEERS OFFICE, BELMONT COURTHOUSE, ST. CLAIRSVILLE, OHIO 43950, TELEPHONE 740-699-2160
POSITIONS OF CBL POINTS FOR LOCATION BY HANDHELD GPS. THESE ARE LOW ACCURACY POSITIONS ESTABLISHED FOR FINDING THE POINTS ONLY.
MARK LATITUDE LONGITUDE
0 N40 00 09.5 W081 11 02.4
150 N40 00 09.3 W081 11 08.7
430 N40 00 08.9 W081 11 20.7
1300 N40 00 07.0 W081 11 57.2