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1by Lefroy, J. H. (John Henry), Sir, 1817-1890., Richardson, John, Sir, 1787-1865., Younghusband, Charles Wright, 1821-1899.Subjects: “...Geomagnetism...”
Published 1855
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11by U.S. Coast and Geodetic Survey. Magnetic Observatory (Antarctica)Subjects: “...Geomagnetism...”
Published 1961
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12by Chree, Charles, 1860-1928., British Antarctic ("Terra Nova") Expedition (1910-1913)Subjects: “...Geomagnetism...”
Published 1921
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20by Geological Survey (U.S.), Pecora, William T., Gerlach, Arch C., Overstreet, William B.Subjects: “...Geomagnetism...”
Published 1965
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