Roanoke Quad. (VA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by LKB
Date flown 04/70-05/70
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 11,265 (km)
References
Counties Albemarle - Amherst - Appomattox - Augusta - Bedford - Buckingham - Campbell - Charlotte - Cumberland - Fluvanna - Franklin - Nelson - Pittsylvania - Prince Edward - Roanoke - Rockbridge - Bedford - Lynchburg - Roanoke
Overlapping surveys

Data: Magnetic (M-Dz)