Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Nebraska
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Northwest Iowa
M-A
304.8 m above ground
1.60 km
19,199 km
Sioux City
M/R-D
121.9 m
8.00 km
2,740 km