- Mineral Resources
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- Magnetic anomaly
- Aeromagnetic surveys
- Montana
Airborne geophysical surveys
| Survey name |
Type |
Altitude |
Spacing |
Flight line distance |
| Ashton | M/R-D | 121.9 m | 4.80 km | 3,056 km |
| Billings | M/R-D | 121.9 m | 4.80 km | 4,581 km |
| Bozeman | M/R-D | 121.9 m | 4.80 km | 4,433 km |
| Beartooth | M-Dz | 4115 m (barometer) | 1.60 km | 1,749 km |
| Idaho-Montana | M-Dz | 3658 m (barometer) | 3.20 km | 8,770 km |
| Gallatin | M-D | 3658 m (barometer) | 1.20 km | 2,977 km |
| Stillwater 2000 | M/EM-D | 60 m above ground | 0.20 km | 1,914 km |
| White Sulpher Spring | M/R-D | 121.9 m | 4.80 km | 4,433 km |
| Northern Yellowstone '67 | M-Dz | 3658 m (barometer) | 1.60 km | 3,234 km |
| Yellowstone | M-D | 243.8 m above ground | 0.40 km | 23,078 km |
