Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Mineral VirginiaM/R/G-D125 m above ground0.20 km3,677 km
RoanokeM/R-D121.92 m 9.66 km2,784 km
Southeast VirginiaM-Dz152.4 m above ground3.22 km9,173 km
Piedmont AreasM-Dz152.4 m above ground0.80 km10,783 km