Talk:Soil vapor extraction

External links modified (January 2018)
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I have just modified one external link on Soil vapor extraction. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20130216103344/http://publications.usace.army.mil/publications/eng-manuals/EM_1110-1-4001_sec/toc.htm to http://publications.usace.army.mil/publications/eng-manuals/EM_1110-1-4001_sec/toc.htm

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Cheers.— InternetArchiveBot  (Report bug) 00:16, 26 January 2018 (UTC)