Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
North Dakota
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Dickinson
M/R-D
121.9 m
4.80 km
4,182 km
Northeast Mt.-Western N.D.
M-D&Dz
1219 m (barometer)
4.80 km
11,192 km
Watford City
M/R-D
121.9 m
4.80 km
2,922 km