Please note that
national laboratories operate under varying licences and some are not free. Checkthe site policies of any national lab before crediting it with this tag.
Please note that
national laboratories operate under varying licences and some are not free. Checkthe site policies of any national lab before crediting it with this tag.
*author: "Source: Energy Information Administration." of the US Department of Energy (DOE); in public domain as per: ::::::http://www.eia.doe.gov/neic/aboutEIA/copy_right.html *comment: (found image at a website linked to by on an eia.doe.gov page)
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