System requirements: IBM PC or compatible computers running Windows 98/NT/2000; or, Macintosh; Internet Explorer 5.0 or Netscape 7.0 or higher; DVD-ROM drive. Title from disc label. Also available via Internet from the USGS Web site. Address as of 9/08/04: http://pubs.usgs.gov/of/2002/ofr-02-361/; current access available via PURL.
Accompanied by text: Magnetic anomaly map of North America ; processing, compilation, and geologic mapping applications of the new digital magnetic anomaly database and map of North America. Includes inset of Hawaii. French, English, and Spanish. Also available via the Internet from USGS Web site.
North American Magnetic Anomaly Group