Milton-Roxboro (NC-VA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 08/68
Line spacing 0.8 (km)
Altitude 121.92 (m) above ground
Total distance 4,688 (km)
References
Counties Caswell - Granville - Person - Halifax - Pittsylvania - Danville
Overlapping surveys

Data: Magnetic (M-Dz)