Aeromagnetic surveying in Wisconsin 1998-99

Online link http://pubs.usgs.gov/of/1999/of99-527/
Description Aeromagnetic flight-line measurements and gridded anomaly data
Originators Bracken, Robert E. and Nicholson, Suzanne W.
Publication U.S. Geological Survey Open-File Report 99-527
Reduced-size image of the colorized, gridded magnetic anomaly map
Reduced-size image of the colorized, gridded magnetic anomaly map