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North Pacific air routes over the Aleutian volcanic arc.[1] From the Alaska Volcano Observatory, a joint program of the United States Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the State of Alaska Division of Geological and Geophysical Surveys. This image contained no copyright information and is assumed to be freely available as a USGS image.

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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• (del) (cur) 05:49, 4 September 2004 . . en:User:Moverton Moverton ( en:User_talk:Moverton Talk) . . 500x441 (34601 bytes) (North Pacific air routes over the Aleutian volcanic arc)