Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Minnesota
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Elk River ARMS
M-A
152.4 m above ground
1.60 km
16,093 km
Southeastern surveys part 1
M-D
200 m above ground
0.50 km
km
New Ulm
M/R-D
121.9 m
4.80 km
4,586 km