Mineral Resources
Online Spatial Data
Magnetic anomaly
Aeromagnetic surveys
North Carolina
Airborne geophysical surveys
Survey name
Type
Altitude
Spacing
Flight line distance
Knoxville
M/R-D
121.9 m
4.80 km
4,990 km
Southern Knoxville
M-Dz
1830 m (barometer)
1.60 km
6,968 km
Maryville-Asheville
M-D
304.8 m above ground
0.53 km
29,104 km