Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
West-central ArkansasM-A152.4 m above ground0.80 km18,185 km
El DoradoM/R-D121.9 m 9.60 km3,004 km
Mc AlesterM/R-D121.9 m 9.60 km2,769 km
TexarkanaM/R-D121.9 m 4.80 km5,080 km