Fairfax (VA)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 02/48
Line spacing 0.4 (km)
Altitude 152.4 (m) above ground
Total distance 2,791 (km)
References
Counties Montgomery - Fairfax - Loudoun - Prince William - Fairfax - Manassas - Manassas Park
Overlapping surveys

Data: Magnetic (M-Dz)