AbstractWhat is geomagnetism, and how does it affect the earth? Visit the USGS Geomagnetism program for more information about this invisible force (USGS, 2006). How is the earth's magnetic field patterned? Are the magnetic poles located at the exact North and South Pole? How can the fields be mapped on the Earth's surface? What is declination? Use the mapping tools to study changes in declination patterns over time. (USGS, 2006)
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Last edit date: 2017-07-28
BibliographyUSGS, 2006. "National Geomagnetism Program," United States Geological Survey (USGS) [accessed 3/23/06] http://geomag.usgs.gov/.
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