Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
FremontM/R-D121.92 m 4.83 km4,546 km
Nebraska South '63M-A304.8 m above ground3.22 km5,544 km
AshlandM/EM-D30 m above ground0.27 km362 km
SwedeburgM/EM-D40 m above ground0.28 km273 km