Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Pend Orielle North-centralM-Dz1828.8 m (barometer)1.61 km193 km
Washington-Idaho-MontanaM-Dz2133.6 m (barometer)3.22 km8,441 km
Scotchman PeakM-D2133.6 m (barometer)1.61 km414 km
KalispellM/R-D121.92 m 9.66 km2,324 km
N.E. Idaho-W. MontanaM-Dz2133.6 m (barometer)1.61 km14,484 km
Mt. HenryM-D304.8 m above ground0.80 km764 km
Ten LakesM-D304.8 m above ground0.80 km1,341 km
SandpointM/R-D121.92 m 1.61 km9,994 km
WallaceM/R-D121.92 m 4.83 km4,469 km