Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
NorfolkM/R-D121.92 m 4.83 km4,888 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km
Southeast VirginiaM-Dz152.4 m above ground3.22 km9,173 km