Talk:Percolation trench

References 1, 2, and 3 have bad links. 68.100.254.47 (talk) 12:32, 30 September 2012 (UTC)

External links modified (January 2018)
Hello fellow Wikipedians,

I have just modified 3 external links on Percolation trench. 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/20071003201855/http://www.metrocouncil.org/environment/watershed/bmp/CH3_STInfilTrenches.pdf to http://www.metrocouncil.org/environment/Watershed/bmp/CH3_STInfilTrenches.pdf
 * Added archive https://web.archive.org/web/20071012175811/http://www.mapc.org/regional_planning/LID/PDFs/trenchesdrywells.pdf to http://www.mapc.org/regional_planning/LID/PDFs/trenchesdrywells.pdf
 * Added archive https://web.archive.org/web/20070624103740/http://www.georgiastormwater.com/vol2/3-2-5.pdf to http://www.georgiastormwater.com/vol2/3-2-5.pdf

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Cheers.— InternetArchiveBot  (Report bug) 17:45, 29 January 2018 (UTC)