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Estados Unidos Coast and Geodetic Survey & Norris Peters Co. (1905). Lines of equal magnetic declination and of equal annual change in the United States for 1905. U. S. Coast and Geodetic Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Coast and Geodetic Survey and Norris Peters Co. Lines of Equal Magnetic Declination and of Equal Annual Change in the United States for 1905. U. S. Coast and Geodetic Survey, 1905.
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Dyfyniad MLA
Estados Unidos Coast and Geodetic Survey and Norris Peters Co. Lines of Equal Magnetic Declination and of Equal Annual Change in the United States for 1905. U. S. Coast and Geodetic Survey, 1905.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.