1. Mineral Resources
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  3. Magnetic anomaly
  4. Aeromagnetic surveys
  5. Montana

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
ChoteauM/R-D121.9 m 9.60 km2,249 km
Cut BankM/R-D121.9 m 9.60 km2,222 km
Washington-Idaho-MontanaM-Dz2134 m (barometer)3.20 km8,441 km
KalispellM/R-D121.9 m 9.60 km2,323 km
Northwest Montana '67M-Dz2743 m (barometer)3.20 km4,345 km
Mission RangeM-Dz2743 m (barometer)1.60 km2,655 km
Montana '79M-Dz2438 m (barometer)0.80 km1,287 km
N.E. Idaho-W. MontanaM-Dz2134 m (barometer)1.60 km14,484 km
MissoulaM-Dz2286 m (barometer)1.60 km6,759 km
Wallace-FlatheadM-D304.8 m above ground1.20 km3,765 km
WallaceM/R-D121.9 m 4.80 km4,469 km