Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Gleason MountainM/R-D121.92 m above ground0.40 km579 km
Washington-Idaho-MontanaM-Dz2133.6 m (barometer)3.22 km8,441 km
Lost CreekM/R-D121.92 m above ground0.40 km789 km
SandpointM/R-D121.92 m 1.61 km9,994 km
Spirit PlutonM/R-D121.92 m above ground0.40 km958 km
Northeast Washington '73M-D2133.6 m (barometer)1.61 km8,143 km
Lost CreekM-D121.92 m above ground0.40 km789 km
Gleason MountainM-D121.92 m above ground0.40 km579 km
Spirit PlutonM-D121.92 m above ground0.40 km958 km