Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AshtonM/R-D121.92 m 4.83 km3,056 km
BozemanM/R-D121.92 m 4.83 km4,434 km
Idaho Regional '69M-Dz3657.6 m (barometer)8.05 km7,773 km
Boulder BatholithM-Dz3200.4 m (barometer)3.22 km4,973 km
BozemanM-Dz152.4 m above ground0.80 km3,380 km
Townsend ValleyM-Dz152.4 m above ground0.80 km4,064 km
Idaho-MontanaM-Dz3657.6 m (barometer)3.22 km8,771 km
GallatinM-D3657.6 m (barometer)1.21 km2,977 km
Tobacco RootsM-D304.8 m above ground0.80 km805 km
Madison RangeM-D3657.6 m (barometer)1.21 km951 km
White Sulpher SpringM/R-D121.92 m 4.83 km4,434 km
Yellowstone '62M-Dz3657.6 m (barometer)1.61 km3,211 km
Northern Yellowstone '67M-Dz3657.6 m (barometer)1.61 km3,235 km
YellowstoneM-D243.84 m above ground0.40 km23,078 km