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  5. Alaska

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Nushagak BasinM-Dz457.2 m (barometer)3.20 km1,821 km
Ugashik NorthM-Dz304.8 m (barometer)3.20 km1,126 km
Chignik-SutwikM-D304.8 m above ground1.60 km11,876 km
Lake Clark '77-'78M-D304.8 m above ground1.60 km12,158 km
Ugashik-KarlukM-D304.8 m above ground1.60 km5,508 km
Ugashik NorthwestM-D304.8 m above ground1.60 km3,983 km
Ugashik SouthM-D304.8 m above ground1.60 km563 km
Ugashik NortheastM-D304.8 m above ground1.60 km820 km
IlliamnaM-D304.8 m above ground1.60 km9,487 km
Taylor Mountains 2004M-D304.8 m above ground1.60 km14,435 km
Dillingham areaM-D304.8 m above ground1.60 km13,888 km
Nushagak BayM-D121.9 m above ground9.60 km1,770 km
DillinghamM-D121.9 m above ground9.60 km2,428 km
RioM-D-9999 m -9999.00 km km
DillinghamM/R-D121.9 m 9.60 km2,333 km
Lake ClarkM/R-D121.9 m 9.60 km2,269 km
NaknekM/R-D121.9 m 9.60 km1,279 km
Nushagak BayM/R-D121.9 m 9.60 km563 km