Talk:Drainage research

External links modified
Hello fellow Wikipedians,

I have just modified 1 one external link on Drainage research. 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/20090219221658/http://waterlog.info:80/pdf/toolsalt.pdf to http://www..waterlog.info/pdf/toolsalt.pdf

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Cheers.— InternetArchiveBot  (Report bug) 18:37, 16 December 2016 (UTC)