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
Iron MtnM/R-D121.9 m 4.80 km4,280 km
Iron RiverM/R-D121.9 m 4.80 km3,846 km
Michigan A (Iron)M-Dz152.4 m above ground0.40 km13,840 km
Michigan C (Dickinson)M-Dz152.4 m above ground0.53 km3,540 km
Michigan FM-Dz152.4 m above ground0.40 km9,817 km
Michigan E NorthM-Dz152.4 m above ground0.40 km4,506 km
Jacobsville Contact SouthM-D121.9 m above ground0.40 km1,487 km
Iron Mountain - Chatham RegionM-D80 m above ground0.15 km38,474 km
Florence '56M-Dz152.4 m above ground0.40 km3,942 km
West Florence Fill-InM-D304.8 m above ground0.80 km675 km
North-central WisconsinM-D152 m above ground0.80 km km