Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GilletteM/R-D121.9 m 4.80 km4,723 km
Rapid CityM/R-D121.9 m 4.80 km5,009 km
Lawrence CountyM-A152.4 m above ground0.80 km1,689 km
NemoM/R-D121.9 m above ground0.40 km238 km