Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Ugashik NorthM-Dz304.8 m (barometer)3.20 km1,126 km
Dillingham areaM-D304.8 m above ground1.60 km13,888 km
Nushagak BayM-D121.9 m above ground9.60 km1,770 km
NaknekM/R-D121.9 m 9.60 km1,279 km