File:EPA letter regarding DX geothermal heat pumps.jpg

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English: EPA letter regarding DX geothermal heat pumps
Date
Source EarthLinked Technologies Inc.
Author Stephen J Offutt

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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. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.

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19 March 2003

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Date/TimeThumbnailDimensionsUserComment
current12:14, 3 January 2013Thumbnail for version as of 12:14, 3 January 2013607 × 823 (114 KB)Wrgj{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|EPA letter regarding DX geothermal heat pumps}} |Source = EarthLinked Technologies Inc. |Date = March 19, 2003 |Author = Stephen J Offutt }}
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