Talk:John Winthrop Jr. Iron Furnace Site

External links modified
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I have just modified one external link on John Winthrop Jr. Iron Furnace Site. 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/20120227191543/http://files.asme.org/ASMEORG/Communities/History/Landmarks/5641.pdf to http://files.asme.org/ASMEORG/Communities/History/Landmarks/5641.pdf

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Cheers.— InternetArchiveBot  (Report bug) 06:40, 26 April 2017 (UTC)