| Survey type | M-Dz (magnetic; digitized from contour maps) |
|---|---|
| Flown by | U.S. Geological Survey |
| Date flown | 06/48 |
| Line spacing | 0.53 (km) |
| Altitude | 152.4 (m) above ground |
| Total distance | 3,540 (km) |
| References |
U.S. Geological Survey, 1967, Aeromagnetic map of parts of the Ralph and Norway quadrangles, Dickinson County, Michigan; Geophysical Investigations Map 610 http://dx.doi.org/10.3133/gp610 U.S. Geological Survey, 1967, Aeromagnetic map of the Sagola quadrangle and part of the Iron Mountain quadrangle, Dickinson, Iron, and Marquette Counties, Michigan; Geophysical Investigations Map 611http://dx.doi.org/10.3133/gp611 |
| Counties | Dickinson - Iron - Marquette - Florence - Marinette |
| Overlapping surveys |
| Metadata | Questions & Answers - Outline - Parseable text - XML |
|---|---|
| Download | MI0072.zip |
