Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Central North CarolinaM-Dz152.4 m above ground0.80 km8,272 km
North-central N.C.M-D152.4 m above ground1.61 km10,029 km
South-central N. C. WestM-D152.4 m above ground1.61 km4,184 km