Survey type | M-Dz (magnetic; digitized from contour maps) |
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Flown by | U.S. Geological Survey |
Date flown | 08/48 |
Line spacing | 0.4 (km) |
Altitude | 548.6 (m) by barometer measurement |
Total distance | 4,441 (km) |
References |
Dempsey, William J., Kirby, John R., 1958, Aeromagnetic map of Highland and vicinity, Wisconsin; Open-File Report 58-29 http://dx.doi.org/10.3133/ofr5829 Heyl, Allen Van, King, Elizabeth R., 1966, Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district; Bulletin 1242http://dx.doi.org/10.3133/b1242A |
Counties | Jo Daviess - Jackson - Grant - Iowa - Lafayette |
Overlapping surveys |
Metadata | Questions & Answers - Outline - Parseable text - XML |
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Download | WI0055.zip |