Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GreensboroM/R-D121.92 m 4.83 km5,123 km
HammeM-Dz121.92 m above ground0.80 km6,478 km
NorfolkM/R-D121.92 m 4.83 km4,888 km
Southeast VirginiaM-Dz152.4 m above ground3.22 km9,173 km
DanvilleM-D121.92 m above ground0.80 km4,828 km
South-central PiedmontM-Dz152.4 m above ground0.80 km10,622 km