| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Swift | M-Dz | 304.8 m above ground | 1.60 km | 14,162 km |
| West-central surveys | M-D | 150 m above ground | 0.40 km | 82,000 km |
| Southwestern surveys | M-D | 200 m above ground | 0.50 km | 81,000 km |
| New Ulm | M/R-D | 121.9 m | 4.80 km | 4,586 km |
| St Cloud | M/R-D | 121.9 m | 4.80 km | 4,473 km |