| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Butte | M/R-D | 121.9 m | 4.80 km | 4,406 km |
| Choteau | M/R-D | 121.9 m | 9.60 km | 2,249 km |
| Boulder Batholith | M-Dz | 3200 m (barometer) | 3.20 km | 4,972 km |
| Northwest Montana '65 | M-Dz | 2743 m (barometer) | 3.20 km | 6,598 km |
| Mission Range | M-Dz | 2743 m (barometer) | 1.60 km | 2,655 km |
| Missoula | M-Dz | 2286 m (barometer) | 1.60 km | 6,759 km |
| Butte '83 | M-D | 2743 m (barometer) | 1.60 km | 11,844 km |
| Boulder Creek | M/EM-D | 30 m above ground | 0.20 km | 1,338 km |
| West Boulder Creek | M/EM-D | 30 m above ground | 0.20 km | 898 km |