Piedmont Areas (VA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by LKB
Date flown 03/71-04/71
Line spacing 0.8 (km)
Altitude 152.4 (m) above ground
Total distance 10,783 (km)
References
Counties Albemarle - Amelia - Brunswick - Buckingham - Chesterfield - Clarke - Culpeper - Cumberland - Dinwiddie - Fauquier - Fluvanna - Goochland - Hanover - Louisa - Lunenburg - Madison - Nelson - Nottoway - Orange - Powhatan - Rappahannock - Warren - Charlottesville
Overlapping surveys

Data: Magnetic (M-Dz)