Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Michigan
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Tawas City
M/R-D
121.9 m
9.60 km
785 km
Traverse City
M/R-D
121.9 m
9.60 km
3,567 km