Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Northeast North CarolinaM-D152.4 m above ground1.60 km8,288 km
Rocky MountM/R-D121.9 m 9.60 km3,728 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km