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Marshfield (WI)

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Survey type M-Dz (magnetic; digitized from contour maps)
Flown by Scintrex 
Date flown 12/71-02/72
Line spacing 0.4 (km)
Altitude 53.3 (m) above ground
Total distance 4,184 (km)
References
U.S. Geological Survey, 1999, Digitized aeromagnetic datasets for the conterminous United States, Hawaii, and Puerto Rico; Open-File Report 99-557

https://pubs.usgs.gov/of/1999/ofr-99-0557/html/mag_home.htm
Counties Clark - Jackson - Wood
Overlapping surveys

Data: Magnetic (M-Dz)

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Download WI_WI07.zip