| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Ashland | M/R-D | 121.9 m | 4.80 km | 3,162 km |
| Hancock | M/R-D | 121.9 m | 4.80 km | 442 km |
| Iron River | M/R-D | 121.9 m | 4.80 km | 3,846 km |
| Michigan A (Iron) | M-Dz | 152.4 m above ground | 0.40 km | 13,840 km |
| Michigan B '50 | M-Dz | 152.4 m above ground | 0.80 km | 1,046 km |
| Michigan Coop South '63 | M-Dz | 152.4 m above ground | 0.40 km | 3,540 km |
| Michigan Coop West '65 | M-Dz | 152.4 m above ground | 0.80 km | 2,735 km |
| Jacobsville Contact South | M-D | 121.9 m above ground | 0.40 km | 1,487 km |
| Two Harbors | M/R-D | 121.9 m | 9.60 km | 1,364 km |