Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Spotsylvania '60M-Dz152.4 m above ground0.80 km772 km
DahlgrenM-Dz152.4 m above ground0.80 km3,380 km
WashingtonM/R-D121.92 m 4.83 km3,824 km