US DEPARTMENT OF COMMERCE - NOAA CALIBRATION BASE LINE DATA QUAD: N390821 NOS - NATIONAL GEODETIC SURVEY BASE LINE DESIGNATION: ZANESVILLE CBL OHIO SILVER SPRING MD 20910 PROJECT ACCESSION NUMBER: 15849 MUSKINGUM COUNTY NEAREST TOWN: ZANESVILLE 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) 0 M 232.420 150 M 230.063 150.0310 150.0495 .1 0 M 232.420 400 M 231.095 400.0595 400.0616 .1 0 M 232.420 617 M 232.493 617.2049 617.2049 .1 150 M 230.063 400 M 231.095 250.0284 250.0305 .1 150 M 230.063 617 M 232.493 467.1737 467.1800 .1 400 M 231.095 617 M 232.493 217.1453 217.1498 .1 DESCRIPTION OF ZANESVILLE BASE LINE YEAR MEASURED: 1978 YEAR REMEASURED: 2006 CHIEF OF PARTY: KM THE BASE LINE IS LOCATED ABOUT 3.0 KM (1.9 MI) NORTHWEST OF DOWNTOWN ZANESVILLE. THE BASE LINE RUNS ALONG THE ENTIRE FRONT OF THE CAMPUS OF ZANE STATE COLLEGE. THE BASE LINE IS A WEST-NORTHWEST, EAST-SOUTHEAST LINE WITH THE 0-METER POINT ON THE WEST-NORTHWEST END. IT CONSISTS OF THE 0, 150, 400, AND 617 METER POINTS. TO REACH THE 0-METER POINT FROM THE JUNCTION OF INTERSTATE HIGHWAY 70 (EXIT 155) AND STATE HIGHWAYS 60 AND 146, LOCATED IN DOWNTOWN ZANESVILLE, GO NORTH CURVING TO WEST ON STATE HIGHWAYS 60 AND 146 FOR 1.5 KM (0.9 MI) TO THE INTERSECTION OF MAPLE STREET WHERE STATE HIGHWAY 60 TURNS TO THE NORTH. CONTINUE WESTERLY ON STATE HIGHWAY 146 (ADAIR AVENUE) FOR 1.77 KM (1.10 MI) TO THE 617-METER POINT ON THE RIGHT JUST BEFORE THE EASTERN ENTRANCE FOR THE TWO COLLEGE CAMPUSES. CONTINUE WEST-NORTHWEST ON STATE HIGHWAY 146 FOR 0.62 KM (0.38 MI) TO A PAVED DRIVE ON THE RIGHT. TURN RIGHT AND GO NORTH ON THE DRIVE FOR 0.06 KM (0.04 MI) TO THE 0-METER POINT ON THE RIGHT. THE 0-METER POINT IS A 10 CM (4 IN) BLANK BRASS DISK STAMPED "0 M" SET IN THE TOP OF A 20 CM (8 IN) DIAMETER CONCRETE POST PROJECTING 23 CM (9 IN) ABOVE THE SURFACE OF THE GROUND. IT IS 70.0 M (229.7 FT) WEST-NORTHWEST OF THE CENTERLINE OF THE WESTERN ENTRANCE FOR THE TWO COLLEGE CAMPUSES, 57.3 M (188.0 FT) NORTH-NORTHEAST OF THE CENTERLINE OF STATE HIGHWAY 146 (ADAIR AVENUE), AND 10.1 M (33.1 FT) EAST OF THE CENTERLINE OF A PAVED DRIVE LEADING TO SEVERAL HOUSES. THE 150-METER POINT IS A 10 CM (4 IN) BLANK BRASS DISK STAMPED "150 M" SET IN THE TOP OF A 25 CM (10 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 80.0 M (262.5 FT) EAST-SOUTHEAST OF THE CENTERLINE OF THE WESTERN ENTRANCE FOR THE TWO COLLEGE CAMPUSES, 52.5 M (172.2 FT) NORTH-NORTHEAST OF THE CENTERLINE OF STATE HIGHWAY 146 (ADAIR AVENUE), 30.4 M (99.7 FT) NORTH OF THE NORTHWEST CORNER OF A SIGN "MUSKINGUM AREA TECHNICAL COLLEGE", AND 29.6 M (97.1 FT) SOUTH-SOUTHWEST OF THE CENTERLINE OF A CAMPUS ROAD. THE 400-METER POINT IS A 10 CM (4 IN) BLANK BRASS DISK STAMPED "400 M" SET IN THE TOP OF A 23 CM (9 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 45.2 M (148.3 FT) NORTH-NORTHEAST OF THE CENTERLINE OF STATE HIGHWAY 146 (ADAIR AVENUE), 41.7 M (136.8 FT) EAST-SOUTHEAST OF THE CENTERLINE OF THE CENTER ENTRANCE FOR THE TWO COLLEGE CAMPUSES, AND 36.9 M (121.1 FT) SOUTH- SOUTHWEST OF THE CENTERLINE OF A CAMPUS ROAD. THE 617-METER POINT IS A 10 CM (4 IN) BLANK BRASS DISK STAMPED "617 M" SET IN THE TOP OF A 30 CM (12 IN) DIAMETER CONCRETE POST FLUSH WITH THE SURFACE OF THE GROUND. IT IS 39.6 M (129.9 FT) NORTH-NORTHEAST OF THE CENTERLINE OF STATE HIGHWAY 146 (ADAIR AVENUE), 25.5 M (83.7 FT) NORTHEAST OF THE NORTHEAST CORNER OF A METAL SIGN "OHIO UNIVERSITY ZANESVILLE", 7.2 M (23.6 FT) WEST- SOUTHWEST OF A WOODEN UTILITY POLE # 612B4 33, AND 4.8 M (15.7 FT) EAST OF THE CENTERLINE OF THE EASTERN ENTRANCE FOR THE TWO COLLEGE CAMPUSES. POSITIONS OF CBL POINTS FOR LOCATION BY HANDHELD GPS. THESE ARE LOW ACCURACY POSITIONS ESTABLISHED FOR FINDING THE POINTS ONLY. MARK LATITUDE LONGITUDE 0 N39 57 41.2 W082 02 06.5 150 N39 57 39.1 W082 02 00.8 400 N39 57 35.7 W082 01 51.3 617 N39 57 32.7 W082 01 43.1 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 MUSKINGUM AREA TECHNICAL COLLEGE AND REMEASURED WITH ASSISTANCE FROM THE MUSKINGUM COUNTY ENGINEER'S OFFICE. FOR MORE INFORMATION PLEASE CONTACT, PROFESSOR DANIEL DURFEE, ZANE STATE COLLEGE, 1555 NEWARK ROAD, ZANESVILLE, OH 43701, TELEPHONE 740-454-2501 OR CONTACT THE MUSKINGUM COUNTY ENGINEER, 155 REHL ROAD, ZANESVILLE, OH 43701, TELEPHONE 740-454-0155.