File:Air pollution by industrial chimneys.jpg

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Air_pollution_by_industrial_chimneys.jpg ‎(750 × 500 pixels, file size: 256 KB, MIME type: image/jpeg)

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English: Four Corners Generating Station, San Juan County, New Mexico, USA.
Caption:"Power plant, NW corner of New Mexico. Photo was taken prior to installation of emission controls equipment for removal of sulfur dioxide and particulate matter.
Date circa 2005
date QS:P,+2005-00-00T00:00:00Z/9,P1480,Q5727902
Source United States National Park Service (NPS). "Air Quality Core Slides: Sources of Air Pollution" (archived URL)
Author NPS

Licensing[edit]

Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

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Date/TimeThumbnailDimensionsUserComment
current22:31, 22 May 2007Thumbnail for version as of 22:31, 22 May 2007750 × 500 (256 KB)ArtMechanic (talk | contribs)
03:21, 24 November 2004Thumbnail for version as of 03:21, 24 November 2004673 × 447 (70 KB)Quadell (talk | contribs)From the National Parks Service [http://www2.nature.nps.gov/air/pubs/Core_Slides/sources.htm source] {{PD-USGov}}

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