Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
NewportM-Dz304.8 m above ground0.40 km9,456 km
New Madrid '75 (Jonesboro)M-Dz304.8 m (barometer)1.60 km7,628 km
MemphisM/R-D121.9 m 9.60 km2,951 km