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

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Elk River ARMSM-A152.4 m above ground1.60 km16,093 km
WasecaM-Dz304.8 m above ground1.60 km13,759 km
Minnesota Coop SouthwestM-Dz304.8 m above ground1.60 km16,173 km
SwiftM-Dz304.8 m above ground1.60 km14,162 km
Southwestern surveysM-D200 m above ground0.50 km81,000 km
Southeastern surveys part 1M-D200 m above ground0.50 km km
Southeastern surveys part 3M-D200 m above ground1.00 km km
Twin CitiesM-D150 m above ground1.60 km2,500 km
New UlmM/R-D121.9 m 4.80 km4,586 km
St PaulM/R-D121.9 m 9.60 km2,348 km