Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Iowa
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Manson (Blanden)
M-A
304.8 m above ground
1.60 km
1,770 km
Southeast Iowa
M-A
304.8 m above ground
1.60 km
14,886 km
Omaha
M/R-D
121.9 m
9.60 km
2,666 km