Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Ohio
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Muncie
M/R-D
121.9 m
9.60 km
2,697 km
Northern Ohio West
M-D
548.6 m (barometer)
2.40 km
9,503 km