1. Mineral Resources
  2. Online Spatial Data
  3. Magnetic anomaly
  4. Aeromagnetic surveys

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Glacier Bay WestM-D4572 m (barometer)1.60 km1,963 km
Glacier Bay EastM-D2438 m (barometer)1.60 km6,195 km
Glacier Bay West CoastM-D1524 m (barometer)1.60 km603 km
Sitka '78M-D304.8 m above ground0.80 km5,536 km
Petersburg '78M-D304.8 m above ground1.60 km13,920 km
Juneau '82M-D2134 m (barometer)1.60 km6,598 km
Southeastern AlaskaM-D121.9 m above ground9.60 km12,364 km
Southeastern AlaskaM-D121.9 m above ground9.60 km12,364 km
Gulf of AlaskaM-Dz304.8 m above ground0.80 km30,899 km
JuneauM/R-D121.9 m 9.60 km1,319 km
Mt FairweatherM/R-D121.9 m 9.60 km764 km
Port AlexanderM/R-D121.9 m 9.60 km514 km
SitkaM/R-D121.9 m 9.60 km579 km
SkagwayM/R-D121.9 m 9.60 km450 km
SumdumM/R-D121.9 m 9.60 km426 km
Taku RiverM/R-D121.9 m 9.60 km772 km