Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AshtonM/R-D121.92 m 4.83 km3,056 km
BillingsM/R-D121.92 m 4.83 km4,582 km
BozemanM/R-D121.92 m 4.83 km4,434 km
BeartoothM-Dz4114.8 m (barometer)1.61 km1,749 km
Idaho-MontanaM-Dz3657.6 m (barometer)3.22 km8,771 km
GallatinM-D3657.6 m (barometer)1.21 km2,977 km
White Sulpher SpringM/R-D121.92 m 4.83 km4,434 km
Northern Yellowstone '67M-Dz3657.6 m (barometer)1.61 km3,235 km
YellowstoneM-D243.84 m above ground0.40 km23,078 km