Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
CharlottesvilleM/R-D121.9 m 9.60 km2,756 km
CumberlandM/R-D121.9 m 9.60 km2,726 km
Piedmont AreasM-Dz152.4 m above ground0.80 km10,782 km
Western VirginiaM-Dz152.4 m above ground0.80 km12,231 km