South-central Piedmont (VA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex
Date flown 04/69-05/69
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 10,622 (km)
References
Counties Caswell - Granville - Rockingham - Vance - Warren - Brunswick - Charlotte - Floyd - Franklin - Halifax - Henry - Mecklenburg - Patrick - Pittsylvania - Danville - Martinsville
Overlapping surveys

Data: Magnetic (M-Dz)