The original description page was
here. All following user names refer to en.wikipedia.
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.
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: ''North Pacific air routes over the Aleutian volcanic arc.[http://www.avo.alaska.edu/avo4/atlas/volc/spurr/spurr2004/popup.htm?airroutes.jpg]'' From the [http://www.avo.alaska.edu/ Al
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