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  3. Magnetic anomaly
  4. Aeromagnetic surveys
  5. Alaska

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Nushagak BasinM-Dz457.2 m (barometer)3.22 km1,822 km
Ugashik NorthM-Dz304.8 m (barometer)3.22 km1,127 km
Chignik-SutwikM-D304.8 m above ground1.61 km11,877 km
Lake ClarkM-D304.8 m above ground1.61 km12,159 km
Ugashik-KarlukM-D304.8 m above ground1.61 km5,509 km
Ugashik NorthwestM-D304.8 m above ground1.61 km3,983 km
Ugashik SouthM-D304.8 m above ground1.61 km563 km
Ugashik NortheastM-D304.8 m above ground1.61 km821 km
IlliamnaM-D304.8 m above ground1.61 km9,487 km
Taylor MountainsM-D304.8 m above ground1.61 km14,436 km
Dillingham areaM-D304.8 m above ground1.61 km13,889 km
Nushagak BayM-D121.92 m above ground9.66 km1,770 km
DillinghamM-D121.92 m above ground9.66 km2,429 km
RioM-D-9999 m -9999.00 km km
DillinghamM/R-D121.92 m 9.66 km2,334 km
Lake ClarkM/R-D121.92 m 9.66 km2,269 km
NaknekM/R-D121.92 m 9.66 km1,279 km
Nushagak BayM/R-D121.92 m 9.66 km563 km