Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
ChoteauM/R-D121.92 m 9.66 km2,250 km
Cut BankM/R-D121.92 m 9.66 km2,223 km
Washington-Idaho-MontanaM-Dz2133.6 m (barometer)3.22 km8,441 km
KalispellM/R-D121.92 m 9.66 km2,324 km
Northwest Montana '65M-Dz2743.2 m (barometer)3.22 km6,598 km
Northwest Montana '67M-Dz2743.2 m (barometer)3.22 km4,345 km
Mission RangeM-Dz2743.2 m (barometer)1.61 km2,655 km
N.E. Idaho-W. MontanaM-Dz2133.6 m (barometer)1.61 km14,484 km
WA-ID-MT - E. CentralM-Dz3352.8 m (barometer)3.22 km3,090 km
Wallace-FlatheadM-D304.8 m above ground1.21 km3,766 km
Ten LakesM-D304.8 m above ground0.80 km1,341 km
WallaceM/R-D121.92 m 4.83 km4,469 km