Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Washington-Idaho-MontanaM-Dz2134 m (barometer)3.20 km8,441 km
PullmanM/R-D121.9 m 9.60 km2,611 km
SpokaneM/R-D121.9 m 1.60 km6,187 km