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

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Northern Cascades EastM-D1524 m (barometer)1.60 km5,471 km
PascoM-D150 m above ground0.40 km51,790 km
The DallesM/R-D121.9 m 9.60 km2,336 km