Talk:Ernest de Koven Leffingwell

External links modified
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I have just modified one external link on Ernest de Koven Leffingwell. 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/20110511184811/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1189&ResourceType=Site to http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1189&ResourceType=Site

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Cheers.— InternetArchiveBot  (Report bug) 03:36, 23 September 2017 (UTC)