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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey , an agency of the United States Department of the Interior . For more information, see the official USGS copyright policy . Bahasa Indonesia ∙ català ∙ čeština ∙ Deutsch ∙ eesti ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ Nederlands ∙ português ∙ polski ∙ sicilianu ∙ suomi ∙ Tiếng Việt ∙ Türkçe ∙ български ∙ македонски ∙ русский ∙ മലയാളം ∙ 한국어 ∙ 日本語 ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ العربية ∙ فارسی ∙ +/−

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• 2005-08-10 12:27 Nova77 1010×804×6 (68017 bytes) IGRF 2000 magnetic declination map. {{PD-USGov-Interior-USGS}} Source: http://geomag.usgs.gov/charts/index.html
• 2005-03-14 08:18 SEWilco 615×492×8 (16650 bytes) IGRF 2000 magnetic declination map. {{PD-USGov-Interior-USGS}} Source: http://geomag.usgs.gov/charts/index.html