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Introduction to potential fields: magnetics

Online link http://pubs.usgs.gov/fs/fs-0236-95/
Description Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.
Originators U.S. Geological Survey
Publication U.S. Geological Survey Fact Sheet 236-95

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