THE U.S. Coast and Geodetic Survey makes magnetic observations at a set of repeat stations every five years, and publishes the results at similar intervals, in the form of tables of secular variation, ...
THE activity of the United States Coast and Geodetic Survey Department in carrying out a magnetic survey of the States and outlying territories has long been a subject of interest to magneticians, and ...
The Daily Galaxy on MSN
Earth’s magnetic north pole has officially changed position, drifting into never-before-mapped territory
Earth’s magnetic north pole has continued its long-term drift toward Siberia, officially crossing into the Russian hemisphere ...
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