Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Ugashik NorthM-Dz304.8 m (barometer)3.22 km1,127 km
Dillingham areaM-D304.8 m above ground1.61 km13,889 km
Nushagak BayM-D121.92 m above ground9.66 km1,770 km
NaknekM/R-D121.92 m 9.66 km1,279 km