Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
ButteM/R-D121.92 m 4.83 km4,406 km
DillonM/R-D121.92 m 4.83 km4,360 km
Elk CityM/R-D121.92 m 4.83 km4,477 km
HamiltonM/R-D121.92 m 4.83 km3,354 km
Selway-BitterrootM-Dz3352.8 m (barometer)1.61 km9,197 km
Blue JointM-D3352.8 m (barometer)1.21 km507 km
MissoulaM-Dz2286 m (barometer)1.61 km6,759 km
Dillon (Pioneer-Beaver.)M-D2743.2 m (barometer)0.80 km5,230 km
Sapphire/Anaconda-PintlarM-D304.8 m above ground0.80 km3,613 km
ButteM-D2743.2 m (barometer)1.61 km11,845 km