STATE OF MASSACHUSETTS 1 CONTENTS BASE LINE DESIGNATION STATE COUNTY QUAD CAPE COD MASSACHUSETTS BARNSTABLE N410701 GEORGETOWN MASSACHUSETTS ESSEX N420704 MARLBORO MASSACHUSETTS MIDDLESEX N420713 PITTSFIELD CBL (1994 REMEASURED) MASSACHUSETTS BERKSHIRE N420732 TURNERS FALLS CBL (1996 REMEASURED) MASSACHUSETTS FRANKLIN N420724 1 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N410701 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: CAPE COD MASSACHUSETTS ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G16364 BARNSTABLE COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 26,1980) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 6.10 150 7.01 149.9867 149.9895 0.2 0 6.10 430 8.87 429.9773 429.9862 0.3 0 6.10 1400 16.88 1399.9655 1400.0070 0.5 150 7.01 430 8.87 279.9905 279.9967 0.3 150 7.01 1400 16.88 1249.9788 1250.0177 0.4 430 8.87 1400 16.88 969.9882 970.0213 0.3 DESCRIPTION OF CAPE COD BASE LINE YEAR MEASURED: 1979 CHIEF OF PARTY: CWW THE BASE LINE IS LOCATED ON CAPE COD ABOUT 5 MILES NORTHEAST OF HYANNIS AND 0.4 MILE SOUTHEAST OF YARMOUTH IN THE MEDIAN STRIP BETWEEN EXITS 8 AND 9 OF UNITED STATES HIGHWAY 6. TO REACH THE 0 METER POINT FROM THE JUNCTION OF HIGHWAY 6 AND UNION STREET AT EXIT 8 GO EAST ON HIGHWAY 6 FOR 1.5 MILES TO THE 0 METER POINT ON THE LEFT. THE 0 METER POINT IS 153.5 FEET WEST OF THE SOUTHWEST CORNER OF THE CENTER PIER OF AN OVERPASS, 31 FEET NORTH OF THE CENTER LINE OF THE EAST BOUND LANES OF HIGHWAY 6, 11.5 FEET NORTH-NORTHWEST OF MILE POST 75.9 AND 5 FEET SOUTH OF A METAL WITNESS POST. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS, STAMPED WITH THEIR BASE LINE DESIGNATION AND THE YEAR 1979, SET IN THE TOP OF ROUND CONCRETE MONUMENTS THAT ARE ABOUT 2 INCHES BELOW THE SURFACE. THE BASE LINE IS A EAST-WEST LINE WITH THE 0 METER POINT ON THE EAST END. IT IS MADE UP OF THE 0, 150, 430, AND 1400 METER POINTS WITH TWO MARKS FOR THE CALIBRATION OF 100 AND 200 FOOT TAPES SET ON LINE WEST OF THE 0 METER POINT. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE MASSACHUSETTS ASSOCIATION OF LAND SURVEYORS AND CIVIL ENGINEERS AND THE MASSACHUSETTS GEODETIC SURVEY. FOR FURTHER INFORMATION CONTACT THE MASSACHUSETTS GEODETIC SURVEY, ROOM 717, 100 NASHUA STREET, BOSTON, MASSACHUSETTS 02114. TELEPHONE 617-727-8287 OR MR. GERALD S. SHELBY, MOORE SURVEY AND MAPPING CORPORATION, 29 GRAFTON CIRCLE, SHREWSBURY, MASSACHUSETTS 01545. TELEPHONE 617-845-4181. 1 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N420704 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: GEORGETOWN MASSACHUSETTS ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G16364 ESSEX COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 26,1980) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 23.65 150 23.37 150.0018 150.0021 0.2 0 23.65 430 24.39 430.0026 430.0032 0.4 0 23.65 1200 24.47 1200.0000 1200.0003 0.5 150 23.37 430 24.39 280.0007 280.0026 0.3 150 23.37 1200 24.47 1049.9981 1049.9987 0.4 430 24.39 1200 24.47 769.9974 769.9974 0.3 DESCRIPTION OF GEORGETOWN BASE LINE YEAR MEASURED: 1979 CHIEF OF PARTY: CWW THE BASE LINE IS LOCATED ABOUT 25 MILES NORTH OF BOSTON AND 1.5 MILES SOUTHEAST OF GEORGETOWN ALONG THE EASTERN EDGE OF THE NORTH BOUND LANES OF INTERSTATE 95. TO REACH THE 1200 METER POINT FROM THE JUNCTION OF STATE ROUTE 133 AND INTERSTATE 95, GO NORTH ON INTERSTATE 95 FOR 0.9 MILE TO THE STATION ON THE RIGHT. THE 1200 METER POINT IS ABOUT 0.2 MILE NORTH OF THE FIRST OVERPASS NORTH OF ROUTE 133, 80 FEET NORTHEAST OF A GUARD RAIL, 47 FEET EAST OF THE CENTER LINE OF THE NORTH BOUND LANES OF INTERSTATE 95 AND 5 FEET WEST OF A METAL WITNESS POST. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS, STAMPED WITH THEIR BASE LINE DESIGNATION AND THE YEAR 1979, SET IN THE TOP OF ROUND CONCRETE MONUMENTS THAT ARE ABOUT 1 INCH BELOW THE SURFACE. THE BASE LINE IS A NORTH-SOUTH LINE WITH THE 0 METER POINT ON THE NORTH END. IT IS MADE UP OF THE 0, 150, 430, AND 1200 METER POINTS WITH TWO MARKS FOR THE CALIBRATION OF 100 AND 200 FOOT TAPES SET ON LINE SOUTH OF THE 0 METER POINT. ALL OF THE MARKS ARE SET ON A LINE PARALLEL WITH THE EASTERN EDGE OF THE NORTH BOUND LANES OF INTERSTATE 95. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE MASSACHUSETTS ASSOCIATION OF LAND SURVEYORS AND CIVIL ENGINEERS AND THE MASSACHUSETTS GEODETIC SURVEY. FOR FURTHER INFORMATION CONTACT THE MASSACHUSETTS GEODETIC SURVEY, ROOM 717, 100 NASHUA STREET, BOSTON, MASSACHUSETTS 02114. TELEPHONE 617-727-8287 OR MR. GERALD S. SHELBY, MOORE SURVEY AND MAPPING CORPORATION, 29 GRAFTON CIRCLE, SHREWSBURY, MASSACHUSETTS 01545. TELEPHONE 617-845-4181. 1 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N420713 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: MARLBORO MASSACHUSETTS ROCKVILLE MD 20852 - OCTOBER 29, 1986 PROJECT ACCESSION NUMBER: G16364 MIDDLESEX COUNTY LIST OF ADJUSTED DISTANCES (JANUARY 26,1980) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 76.20 150 75.37 149.9972 149.9995 0.2 0 76.20 430 74.11 430.0017 430.0068 0.4 0 76.20 1330 73.90 1329.9806 1329.9825 0.5 150 75.37 430 74.11 280.0046 280.0074 0.3 150 75.37 1330 73.90 1179.9833 1179.9842 0.4 430 74.11 1330 73.90 899.9787 899.9787 0.3 DESCRIPTION OF MARLBORO BASE LINE YEAR MEASURED: 1979 CHIEF OF PARTY: CWW THE BASE LINE IS LOCATED ABOUT 10 MILES NORTHEAST OF WORCESTER IN THE TOWN OF MARLBORO AND ALONG THE SOUTHERN EDGE OF THE MEDIAN STRIP OF INTERSTATE HIGHWAY 290. TO REACH THE BASE LINE FROM THE JUNCTION OF INTERSTATE HIGHWAYS 290 AND 495 IN MARLBORO GO WEST ON INTERSTATE 290 FOR 2.1 MILE TO THE 0 METER POINT ON THE LEFT. THE 0 METER POINT IS 39 FEET SOUTH OF A CONCRETE CATCH BASIN, 13 FEET NORTH-NORTHWEST OF THE NORTH EDGE OF THE EAST BOUND LANES OF INTERSTATE 290 AND 3 FEET SOUTH OF A METAL WITNESS POST. ALL OF THE MARKS ARE STANDARD CALIBRATION BASE LINE DISKS SET IN THE TOP OF SQUARE CONCRETE MONUMENTS THAT ARE ABOUT 2 INCHES BELOW THE SURFACE. EACH METER POINT HAS TWO REFERENCE MARKS AND AN UNDERGROUND MARK. ALL OF THE MARKS ARE STAMPED WITH THEIR BASE LINE DESIGNATION AND THE YEAR 1979. THE BASE LINE IS A EAST-WEST LINE WITH THE 0 METER POINT ON THE WEST END. IT IS MADE UP OF THE 0, 150, 430, AND 1330 METER POINTS WITH TWO MARKS FOR THE CALIBRATION OF 100 AND 200 FOOT TAPES SET ON LINE EAST OF THE 0 METER POINT. THIS BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE STATE OF MASSACHUSETTS. FOR FURTHER INFORMATION CONTACT THE MASSACHUSETTS GEODETIC SURVEY, ROOM 717, 100 NASHUA STREET, BOSTON, MASSACHUSETTS 02114. TELEPHONE 617-727-8287. 1US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N420732 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: PITTSFIELD CBL MASSACHUSETTS ROCKVILLE MD 20852 - SEPTEMBER 27, 1994 PROJECT ACCESSION NUMBER: 16364 BERKSHIRE COUNTY NEAREST TOWN: PITTSFIELD LIST OF ADJUSTED DISTANCES (SEPTEMBER 13, 1994) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 1979 346.230 150 1979 347.690 150.0002 150.0073 0.1 0 1979 346.230 430 1979 350.526 429.9856 430.0071 0.1 0 1979 346.230 1400 1994 360.230 1399.9229 1399.9929 0.2 150 1979 347.690 430 1979 350.526 279.9854 279.9998 0.1 150 1979 347.690 1400 1994 360.230 1249.9227 1249.9856 0.1 430 1979 350.526 1400 1994 360.230 969.9373 969.9858 0.1 DESCRIPTION OF PITTSFIELD BASE LINE YEAR MEASURED: 1979 YEAR REMEASURED (AFTER 1400-METER REPOSITIONED): 1994 THE BASE LINE IS LOCATED ABOUT 3.2 KM (2.0 MI) SOUTHWEST OF DOWNTOWN PITTSFIELD AT THE PITTSFIELD MUNICIPAL AIRPORT. THE BASE LINE RUNS ALONG AND IS APPROXIMATELY PARALLEL WITH THE SOUTHERN EDGE OF RUNWAY 08-26. NOTE - MR. LYNN LYON, AIRPORT MANAGER, LYON AVIATION INC, PITTSFIELD MUNICIPAL AIRPORT, TAMARACK ROAD, PITTSFIELD, MA 01201, TELEPHONE 413-443-6700, MUST BE NOTIFIED PRIOR TO ENTRY ONTO AIRPORT PROPERTY. HE WILL BRIEF THE USER ON AIRPORT PROCEDURES, AND WILL ALSO OPEN THE LOCKED GATE. THE BASE LINE IS A EAST-NORTHEAST, WEST-SOUTHWEST LINE WITH THE 0-METER POINT ON THE EAST-NORTHEAST END. IT CONSISTS OF THE 0, 150, 430, AND 1400 METER POINTS WITH A 100-FOOT AND A 200-FOOT TAPE CALIBRATION STATION LOCATED ON LINE AND WEST-SOUTHWEST OF THE 430-METER POINT. THE TWO TAPE CALIBRATION STATIONS WERE NOT REMEASURED IN 1994. TO REACH THE 0-METER POINT FROM THE JUNCTION OF U.S. HIGHWAY 20 WEST (HOUSATONIC STREET) AND U.S. HIGHWAY 7 (SOUTH STREET), LOCATED JUST SOUTH OF DOWNTOWN PITTSFIELD, GO SOUTH ON U.S. HIGHWAY 7/20 (SOUTH STREET) FOR 3.9 KM (2.4 MI) TO THE INTERSECTION OF DAN FOX DRIVE ON THE RIGHT. TURN RIGHT AND MEANDER WESTERLY ON DAN FOX DRIVE (WHICH TURNS INTO TAMARACK ROAD) FOR 3.15 KM (2.0 MI) TO AN INTERSECTION OF TWO ROADS ON THE RIGHT. TAKE THE FIRST RIGHT, AIRPORT ROAD, AND GO NORTHERLY FOR 0.3 KM (0.2 MI) TO WHERE THE ROAD SPLITS TO MAKE AN OVAL DRIVE IN FRONT OF THE AIRPORT TERMINAL. BEAR RIGHT AND GO AROUND THE OVAL FOR 120 M (394 FT), PASSING THE AIRPORT TERMINAL, TO THE ENTRANCE TO THE PARKING LOT ON THE RIGHT. TURN RIGHT AND GO NORTHERLY THROUGH THE PARKING LOT FOR 50 M (164 FT) TO A LOCKED GATE IN A CHAIN LINK FENCE. GO THROUGH THE GATE, BEAR SLIGHTLY TO THE LEFT AND GO NORTHERLY ACROSS THE AIRPLANE PARKING AREA AND UP A SHORT TAXIWAY FOR 120 M (394 FT) TO RUNWAY 14-32. CONTINUE NORTHERLY AND GO ACROSS RUNWAY 14-32 FOR 50 M (164 FT) TO RUNWAY 08-26. TURN RIGHT AND GO NORTHEASTERLY ALONG THE SOUTHERN EDGE OF RUNWAY 08-26 FOR 0.5 KM (0.3 MI) TO THE MARK ON THE RIGHT. THE 0-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "0 1979" SET IN THE TOP OF A 40 CM (16 IN) DIAMETER CONCRETE POST RECESSED 5 CM (2 IN) BELOW THE SURFACE OF THE GROUND. IT IS 36.5 M (119.8 FT) SOUTHWEST OF THE SOUTHERNMOST RUNWAY ENDLIGHT, 23.7 M (77.8 FT) EAST-NORTHEAST OF A RUNWAY LIGHT, 9.3 M (30.5 FT) NORTH-NORTHWEST OF A FIBERGLASS WITNESS POST AND 7.5 M (24.6 FT) SOUTH-SOUTHEAST OF THE SOUTHERN EDGE OF RUNWAY 08-26. THE 150-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "150 1979" SET IN THE TOP OF A 40 CM (16 IN) DIAMETER CONCRETE POST RECESSED 5 CM (2 IN) BELOW THE SURFACE OF THE GROUND. IT IS 50.0 M (164.0 FT) EAST-NORTHEAST OF A RUNWAY LIGHT, 10.3 M (33.8 FT) SOUTHWEST OF A RUNWAY LIGHT, 8.1 M (26.6 FT) NORTH-NORTHWEST OF A FIBERGLASS WITNESS POST AND 7.5 M (24.6 FT) SOUTH-SOUTHEAST OF THE SOUTHERN EDGE OF RUNWAY 08-26. 1THE 430-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "430 1979" SET IN THE TOP OF A 34 CM (13 IN) DIAMETER CONCRETE POST RECESSED 5 CM (2 IN) BELOW THE SURFACE OF THE GROUND. IT IS 25.1 M (82.3 FT) NORTHEAST OF THE SOUTHEAST CORNER OF THE RUNWAY "32-14" SIGN, 7.6 M (24.9 FT) SOUTH-SOUTHEAST OF THE SOUTHERN EDGE OF RUNWAY 08-26, 7.3 M (24.0 FT) NORTH-NORTHWEST OF A METAL WITNESS POST AND 6.8 M (22.3 FT) EAST-SOUTHEAST OF A RUNWAY LIGHT. THE 1400-METER POINT IS A STANDARD NGS CALIBRATION BASE LINE DISK STAMPED "1400 1994" SET IN THE TOP OF A 20 CM (8 IN) IRREGULAR SQUARE CONCRETE POST RECESSED 10 CM (4 IN) BELOW THE SURFACE OF THE GROUND. IT IS 35.3 M (115.8 FT) EAST-NORTHEAST OF A RUNWAY LIGHT, 24.1 M (79.1 FT) SOUTHWEST OF A RUNWAY LIGHT, 8.0 M (26.2 FT) NORTH-NORTHWEST OF A FIBERGLASS WITNESS POST AND 7.4 M (24.3 FT) SOUTH-SOUTHEAST OF THE SOUTHERN EDGE OF RUNWAY 08-26. USER NOTES: CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. DURING RUNWAY CONSTRUCTION IN EARLY 1994, THE 1400-METER POINT WAS DISTURBED. IN AUGUST 1994 THE 1400-METER POINT WAS REESTABLISHED IN A SLIGHTLY DIFFERENT LOCATION (NOT RESET IN ITS ORIGINAL POSITION) PRECIPITATING THE REMEASUREMENT OF THE BASE LINE. THIS CALIBRATION BASE LINE WAS ESTABLISHED AND REMEASURED IN CONJUNCTION WITH THE BERKSHIRE COUNTY CHAPTER OF THE MASSACHUSETTS ASSOCIATION OF LAND SURVEYORS AND CIVIL ENGINEERS. FOR MORE INFORMATION PLEASE CONTACT MR. DENNIS DRUMM, DENNIS C. DRUMM ASSOCIATES, 184 NORTH STREET, PITTSFIELD, MA 01201. TELEPHONE 413-443-7192. 1 US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N420724 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: TURNERS FALLS CBL MASSACHUSETTS SILVER SPRING MD 20910 - SEPTEMBER 18, 1996 PROJECT ACCESSION NUMBER: 16364 FRANKLIN COUNTY NEAREST TOWN: MONTAGUE LIST OF ADJUSTED DISTANCES (SEPTEMBER 9, 1996) ADJ. DIST.(M) ADJ. DIST.(M) STD. FROM STATION ELEV.(M) TO STATION ELEV.(M) HORIZONTAL MARK - MARK ERROR(MM) 0 1979 108.590 150 1979 107.697 149.9875 149.9902 0.1 0 1979 108.590 430 1979 106.292 429.9977 430.0038 0.2 0 1979 108.590 1030 1979 105.142 1029.9972 1030.0030 0.2 150 1979 107.697 430 1979 106.292 280.0102 280.0137 0.1 150 1979 107.697 1030 1979 105.142 880.0096 880.0134 0.2 430 1979 106.292 1030 1979 105.142 599.9994 600.0005 0.1 DESCRIPTION OF TURNERS FALLS BASE LINE YEAR MEASURED: 1979 YEAR REMEASURED: 1996 LATITUDE: 42 35 18 LONGITUDE: 072 31 13 AZIMUTH: 325 DEGREES TRUE NORTH CHIEF OF PARTY: WJR THE BASE LINE IS LOCATED ABOUT 2.0 MI (3.2 KM) SOUTHEAST OF TURNERS FALLS, 1.6 MI (2.6 KM) NORTHEAST OF MILLERS FALLS AND 1.4 MI (2.3 KM) SOUTHWEST OF THE FRENCH KING BRIDGE, AT THE TURNERS FALLS AIRPORT. OWNERSHIP -- TOWN OF MONATGUE, FOR PERMISSION TO ENTER AIRPORT CONTACT AIRPORT MANAGER MR. CHARLIE BOHONOWITZ, TELEPHONE 413-863-9391. THE BASE LINE IS A NORTH-NORTHWEST -- SOUTH-SOUTHEAST LINE WITH THE 0-METER POINT ON THE SOUTH-SOUTHEAST END. IT CONSISTS OF THE 0, 150, 430, AND 1030-METER POINTS WITH 100-FOOT AND 200-FOOT TAPE CALIBRATION POINTS SET NORTH-NORTHWEST OF THE 0-METER POINT. THE TAPE CALIBRATION POINTS WERE NOT REMEASURED. TO REACH 1030-METER POINT FROM THE JUNCTION OF AVENUE A AND 3RD STREET IN TURNERS FALLS (ABOUT 0.1 MI (0.2 KM) SOUTHWEST OF THE SOUTHERN END OF THE BRIDGE OVER THE CONNECTICUT RIVER) . TURN LEFT AND GO SOUTHEASTERLY ON 3RD STREET FOR 0.8 MI (1.3 KM) TO A FORK JUST PAST CREST OF BIG HILL. TAKE THE LEFT FORK (MILLERS FALLS ROAD) AND GO SOUTHEAST AND EAST FOR 1.5 MI (2.4 KM) TO INDUSTRIAL BLVD ON THE LEFT. TURN LEFT AND GO NORTHERLY ON INDUSTRIAL BLVD FOR .45 MI (0.72 KM) TO THE STATION ON THE RIGHT. TO REACH THE 430-METER POINT FROM THE INTERSECTION OF MILLERS FALLS ROAD AND INDUSTRIAL BLVD, CONTINUE EASTERLY ON MILLERS FALLS ROAD FOR 0.2 MI (0.3 KM) TO A DIVIDED SIDE ROAD ON THE LEFT AT AIRPORT. TURN LEFT AND GO NORTH FOR 0.1 MI (0.2 KM) TO OPENING IN CABLE BARRIER FENCE. PASS THRU OPENING FOR ABOUT 100 FT (30.5 M) TO CORNER OF AIRPLANE PARKING RAMP. TURN RIGHT AND GO EAST-NORTHEAST FOR 144 FT (43.9 M) TO TAXIWAY. THE STATION IS SOUTH OF THE CROSSOVER BETWEEN THE TAXIWAY AND RUNWAY 34. TO REACH THE 150-METER POINT FROM THE 430-METER POINT TURN RIGHT AND GO SOUTH-SOUTHEAST ON TAXIWAY FOR 0.15 MI (0.24 KM) TO THE STATION ON THE LEFT BETWEEN TAXIWAY AND RUNWAY 34. TO REACH THE 0-METER POINT CONTINUE ALONG TAXIWAY FOR 0.1 MI (0.2 KM) TO THE STATION ON THE LEFT ABOUT 0.03 MI (0.05 KM) BEFORE REACHING END OF TAXIWAY. THE 0-METER POINT IS A STANDARD CALIBRATION BASE LINE DISK STAMPED "0 1979" SET IN THE TOP OF A 1.3 FT (0.4 M) ROUND CONCRETE MONUMENT PROJECTING 2-INCHES ABOVE GROUND. IT IS 152.6 FT (46.5 M) NORTH OF THE TOP CENTER OF CONCRETE CULVERT UNDER THE TAXIWAY, 113.4 FT (34.6 M) WEST-SOUTHWEST OF THE APPROXIMATE CENTERLINE OF RUNWAY 34, 112.1 FT (34.2 M) EAST-NORTHEAST OF THE APPROXIMATE CENTERLINE OF THE TAXIWAY, 43.9 FT (13.4 M) SOUTH OF THE SOUTHWEST LEG OF A VASI LIGHT, AND 2.1 FT (0.6 M) EAST OF A WITNESS POST. 1THE 150-METER POINT IS A STANDARD CALIBRATION BASE LINE DISK STAMPED "150 1979" SET IN THE TOP OF A 1.6 FT (0.5 M) ROUND CONCRETE MONUMENT FLUSH WITH THE SURFACE. IT IS 113.5 FT (34.6 M) EAST-NORTHEAST OF THE APPROXIMATE CENTERLINE OF THE TAXIWAY, 111.4 FT (34.0 M) WEST-SOUTHWEST OF THE APPROXIMATE CENTERLINE OF RUNWAY 34, 63.5 FT (19.4 M) WEST-SOUTHWEST OF A RUNWAY LIGHT, 24.3 FT (7.4 M) EAST-NORTHEAST OF A METAL WITNESS POST, AND 1.6 FT (0.5 M) EAST OF A WITNESS POST. THE 430-METER POINT IS A STANDARD CALIBRATION BASE LINE DISK STAMPED "430 1979" SET IN THE TOP OF A 1.8 FT (0.5 M) ROUND CONCRETE MONUMENT FLUSH WITH THE SURFACE. IT IS 126.3 FT (38.5 M) SOUTH-SOUTHEAST OF THE APPROXIMATE CENTERLINE OF THE CROSSOVER RAMP, 116.4 FT (35.5 M) EAST-NORTHEAST OF THE APPROXIMATE CENTERLINE OF THE TAXIWAY, 108.1 FT (32.9 M) WEST-SOUTHWEST OF THE APPROXIMATE CENTERLINE OF RUNWAY 34, 13.3 FT (4.1 M) EAST-NORTHEAST OF A METAL WITNESS POST AND 1.8 FT (0.5 M) EAST OF A WITNESS POST. THE 1030-METER POINT IS A STANDARD CALIBRATION BASE LINE DISK STAMPED "1030 1979" SET IN THE TOP OF 1.1 FT (0.3 M) ROUND CONCRETE MONUMENT FLUSH WITH THE SURFACE. IT IS 62.7 FT (19.1 M) SOUTH-SOUTHEAST OF THE APPROXIMATE CENTERLINE OF INDUSTRIAL BLVD, 60.5 FT (18.4 M) NORTH-NORTHWEST OF THE APPROXIMATE CENTERLINE OF A TRACK ROAD WHICH RUNS ACROSS THE NORTHERN END OF AIRPORT, 40.7 FT (12.4 M) SOUTHEAST OF THE SOUTH CORNER OF A CONCRETE COVER OVER A STORM DRAIN IN THE SOUTHERN DITCH ALONG INDUSTRIAL BLVD, 5.0 FT (1.5 M) WEST OF A METAL WITNESS POST, AND 2.2 FT (0.7 M) EAST OF A WITNESS POST. USER NOTES -- CBL USERS SHOULD TAKE CARE IN PLUMBING OVER ALL POINTS. ELEVATIONS ARE FOR CBL USE ONLY. THIS CALIBRATION BASE LINE WAS ESTABLISHED IN CONJUNCTION WITH THE MASSACHUSETTS ASSOCIATION OF LAND SURVEYORS AND CIVIL ENGINEERS. FOR FURTHER INFORMATION CONTACT MR. DOUGLAS STEPHENS, AINSWORTH ASSOCIATES, INC. 117 MAIN STREET, GREENFIELD, MA 01302, TELEPHONE - 413-774-7248.