Central North Carolina (NC)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Airmag
Date flown 06/73-10/73
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 8,272 (km)
References
Counties Chatham - Durham - Franklin - Granville - Harnett - Johnston - Lee - Moore - Nash - Orange - Wake
Overlapping surveys

Data: Magnetic (M-Dz)