Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
CharlottesvilleM/R-D121.9 m 9.60 km2,756 km
RoanokeM/R-D121.9 m 9.60 km2,784 km
Shenandoah Valley DikesM-Dz640 m (barometer)0.80 km1,826 km
Roanoke Quad.M-Dz152.4 m above ground0.80 km11,265 km
Western VirginiaM-Dz152.4 m above ground0.80 km12,231 km
Central West VirginiaM-D304.8 m above ground3.20 km7,081 km