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

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Grand RapidsM/R-D121.9 m 9.60 km3,310 km
MidlandM/R-D121.9 m 9.60 km3,389 km