Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
New Madrid '75 (Jonesboro)M-Dz304.8 m (barometer)1.61 km7,628 km
BlythevilleM/R-D121.92 m 9.66 km2,952 km
DyersburgM/R-D121.92 m 4.83 km4,889 km
MemphisM/R-D121.92 m 9.66 km2,952 km
New Madrid '73M-Dz304.8 m (barometer)1.61 km8,880 km
New Madrid '90M-D91.44 m above ground0.45 km6,173 km
Poplar BluffM/R-D121.92 m 4.83 km4,889 km