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27 February 2019
Old stone walls record history of Earth’s magnetic wanderings
Some of the remnant walls snaking through the forests of New York and New England from long-abandoned early American farms can be used as references to deduce the position of Earth’s magnetic field in previous centuries.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.