Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Virginia
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Norfolk
M/R-D
121.9 m
4.80 km
4,887 km
Offshore E. Coast Tie Lines
M-D
300 m (barometer)
-9999.00 km
185,000 km
Southeast Virginia
M-Dz
152.4 m above ground
3.20 km
9,173 km