Talk:Plum Island Range Lights

External links modified
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I have just modified one external link on Plum Island Range Lights. 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://wayback.archive-it.org/all/20090325232007/http://www.uscg.mil/history/docs/CG_Classical_Lens_in_Operation.pdf to http://www.uscg.mil/history/docs/CG_Classical_Lens_in_Operation.pdf

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Cheers.— InternetArchiveBot  (Report bug) 21:57, 24 May 2017 (UTC)