| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Butte | M/R-D | 121.9 m | 4.80 km | 4,406 km |
| Dillon | M/R-D | 121.9 m | 4.80 km | 4,359 km |
| Boulder Batholith | M-Dz | 3200 m (barometer) | 3.20 km | 4,972 km |
| Missoula | M-Dz | 2286 m (barometer) | 1.60 km | 6,759 km |
| Sapphire/Anaconda-Pintlar | M-D | 304.8 m above ground | 0.80 km | 3,612 km |
| Butte '83 | M-D | 2743 m (barometer) | 1.60 km | 11,844 km |