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

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
MartinM/R-D121.92 m 9.66 km2,433 km
S. South DakotaM-Dz1310.64 m (barometer)1.61 km28,690 km
ValentineM/R-D121.92 m 9.66 km2,638 km