| Survey type | M-Dz (magnetic; digitized from contour maps) |
|---|---|
| Flown by | U.S. Geological Survey |
| Date flown | 05/50-06/50 |
| Line spacing | 0.4 (km) |
| Altitude | 152.4 (m) above ground |
| Total distance | 9,817 (km) |
| References | |
| Counties | Baraga - Dickinson - Iron - Marquette |
| Overlapping surveys |
| Metadata | Questions & Answers - Outline - Parseable text - XML |
|---|---|
| Download | MI0073.zip |
