Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Northeast North CarolinaM-D152.4 m above ground1.61 km8,288 km
Rocky MountM/R-D121.92 m 9.66 km3,729 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km