Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map

Online link http://pubs.usgs.gov/of/2002/ofr-02-361/
Description Digital and analog archives comprising more than 1,000 surveys, covering approximately 8,000,000 line-km of data, flown at various flight heights and line spacings
Originators U.S. Geological Survey and National Geophysical Data Center
Publication U.S. Geological Survey Open-File Report 02-361