Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Washington-Idaho-MontanaM-Dz2133.6 m (barometer)3.22 km8,441 km
Midnite-Sherwood Mines E.M/R-D121.92 m above ground0.80 km1,432 km
Mt. Leona-Nancy CreekM/R-D121.92 m above ground0.40 km6,529 km
OkanoganM/R-D121.92 m 1.61 km7,910 km
RitzvilleM/R-D121.92 m 4.83 km4,347 km
Northeast Washington '73M-D2133.6 m (barometer)1.61 km8,143 km
IncheliumM-D2133.6 m (barometer)1.61 km346 km
Thirty-Mile CreekM-D50.292 m above ground0.40 km322 km
W. Fork Sampoil RiverM-D121.92 m above ground0.40 km1,505 km
Mt. Leona-Nancy CreekM-D121.92 m above ground0.40 km6,529 km
Midnite-Sherwood Mines W.M-D121.92 m above ground0.40 km1,432 km
Northeast Washington '59M-Dz152.4 m above ground0.40 km6,349 km
W. Fork Sampoil RiverM/R-D121.92 m above ground0.40 km1,505 km