Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
FremontM/R-D121.9 m 4.80 km4,546 km
LincolnM/R-D121.9 m 4.80 km4,610 km
Nebraska South '63M-A304.8 m above ground3.20 km5,544 km
FirthM/EM-D30 m above ground0.28 km367 km
SpragueM/EM-D40 m above ground0.28 km1,020 km