Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Northeast North CarolinaM-D152.4 m above ground1.60 km8,288 km
North Carolina CoastM-D152.4 m above ground1.60 km3,862 km
NorfolkM/R-D121.9 m 4.80 km4,887 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km
Southeast VirginiaM-Dz152.4 m above ground3.20 km9,173 km
Danville 1994M-D121.9 m above ground0.80 km4,828 km