| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Iron Mtn | M/R-D | 121.9 m | 4.80 km | 4,280 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 Coop '62 | M-Dz | 152.4 m above ground | 0.40 km | 2,665 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 |
| Rice Lake | M/R-D | 121.9 m | 4.80 km | 4,168 km |
| Ironwood Fill-In | M-D | 304.8 m above ground | 0.80 km | 1,005 km |
| North-central Wisconsin | M-D | 152 m above ground | 0.80 km | km |