Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GrangevilleM/R-D121.92 m 9.66 km2,636 km
Hells CanyonM-Dz2743.2 m (barometer)1.61 km3,058 km
Eagle CapM-Dz3048 m (barometer)1.61 km1,255 km
Walla Walla (Pendleton)M-D&Dz152.4 m above ground1.61 km3,972 km
PullmanM/R-D121.92 m 9.66 km2,612 km
Area C, Central WashingtonM-D304.8 m above ground0.80 km7,041 km