Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
CharlottesvilleM/R-D121.92 m 9.66 km2,757 km
Shenandoah Valley DikesM-Dz640.08 m (barometer)0.80 km1,827 km
Western VirginiaM-Dz152.4 m above ground0.80 km12,231 km
Central West VirginiaM-D304.8 m above ground3.22 km7,081 km