USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Magnetic anomaly map of North America

Airborne measurement of the earth's magnetic field over all of North America provides gridded data describing the magnetic anomaly caused by variations in earth materials and structure. Select and Download here

To zoom in, hold shift key and drag mouse.

legend for magnetic anomaly
legend for streams legend for lakes
legend for roads

Accessibility FOIA Privacy Policies and Notices logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://(none)/geophysics/aeromag.html
Page Contact Information: Peter Schweitzer
Page Last Modified: Monday, 05-Jun-2017 12:38:46 MDT