| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Ashland | M/R-D | 121.9 m | 4.80 km | 3,162 km |
| Two Harbors | M/R-D | 121.9 m | 9.60 km | 1,364 km |
| West Wisconsin '96 | M-D | 152.4 m above ground | 0.80 km | 6,759 km |
| North-central Wisconsin | M-D | 152 m above ground | 0.80 km | km |