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File:Origins.gif

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Description
English: Downloaded from US EPA website: http://www.epa.gov/acidrain/images/origins.gif
Date 2006-02-12 (original upload date)
Source Transferred from en.wikipedia; transferred to Commons by User:Frokor using CommonsHelper.
Author Original uploader was NHSavage at en.wikipedia
Permission
( Reusing this file)

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Public domain This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

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