- USGS Open-File Report 2002-361
Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map
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.
- USGS Open-File Report 99-557
Digitized Aeromagnetic Datasets for the Conterminous United States, Hawaii, and Puerto Rico
Aeromagnetic survey data digitized from previously published contour maps.
- USGS Open-File Report 2009-1129
Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy
Flight-line data from the original surveys available for each 1°x2° map quadrangle, used in creating the national compilation