| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Great Falls | M/R-D | 121.9 m | 4.80 km | 4,330 km |
| Havre | M/R-D | 121.9 m | 4.80 km | 4,295 km |
| Lewistown | M/R-D | 121.9 m | 4.80 km | 3,376 km |
| Bearpaw Mountains | M-Dz | 304.8 m above ground | 0.80 km | 5,267 km |
| Northwest Montana '65 | M-Dz | 2743 m (barometer) | 3.20 km | 6,598 km |
| Shelby | M/R-D | 121.9 m | 4.80 km | 3,242 km |