Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
Virginia
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Bluefield
M/R-D
121.9 m
9.60 km
2,784 km
Roanoke
M/R-D
121.9 m
9.60 km
2,784 km
Western Virginia
M-Dz
152.4 m above ground
0.80 km
12,231 km