| Survey type | M-Dz (magnetic; digitized from contour maps) |
|---|---|
| Flown by | U.S. Geological Survey |
| Date flown | 07/49-08/49 |
| Line spacing | 0.4 (km) |
| Altitude | 152.4 (m) above ground |
| Total distance | 4,506 (km) |
| References |
U.S. Geological Survey, 1967, Aeromagnetic map of the Crystal Falls quadrangle and part of the Florence quadrangle, Iron County, Michigan; Geophysical Investigations Map 607 http://dx.doi.org/10.3133/gp607 U.S. Geological Survey, 1967, Aeromagnetic map of the Ned Lake quadrangle and part of the Witch Lake quadrangle, Iron, Baraga, and Marquette Counties, Michigan; Geophysical Investigations Map 609http://dx.doi.org/10.3133/gp609 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 | Baraga - Dickinson - Iron - Marquette - Florence |
| Overlapping surveys |
| Metadata | Questions & Answers - Outline - Parseable text - XML |
|---|---|
| Download | MI0458A.zip |
