Talk:Chicago Area Waterway System

External links modified
Hello fellow Wikipedians,

I have just modified 2 one external links on Chicago Area Waterway System. 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/20150216031327/http://www.epa.gov:80/region5/chicagoriver/ to http://www.epa.gov/region5/chicagoriver/
 * Added archive https://web.archive.org/web/20150216031327/http://www.epa.gov:80/region5/chicagoriver/ to http://www.epa.gov/region5/chicagoriver/

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Cheers.— InternetArchiveBot  (Report bug) 19:37, 21 November 2016 (UTC)