Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BluefieldM/R-D121.92 m 9.66 km2,784 km
RoanokeM/R-D121.92 m 9.66 km2,784 km
Roanoke Quad.M-Dz152.4 m above ground0.80 km11,265 km
Western VirginiaM-Dz152.4 m above ground0.80 km12,231 km