Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BozemanM/R-D121.9 m 4.80 km4,433 km
ButteM/R-D121.9 m 4.80 km4,406 km
DillonM/R-D121.9 m 4.80 km4,359 km
Boulder BatholithM-Dz3200 m (barometer)3.20 km4,972 km
Bozeman '55M-Dz152.4 m above ground0.80 km3,379 km
Townsend ValleyM-Dz152.4 m above ground0.80 km4,063 km
Elkhorn MountainsM-D2743 m (barometer)0.80 km844 km
Tobacco RootsM-D304.8 m above ground0.80 km804 km
Butte '83M-D2743 m (barometer)1.60 km11,844 km
Boulder CreekM/EM-D30 m above ground0.20 km1,338 km
West Boulder CreekM/EM-D30 m above ground0.20 km898 km
East Boulder CreekM/EM-D30 m above ground0.20 km302 km
White Sulpher SpringM/R-D121.9 m 4.80 km4,433 km