Talk:List of highest astronomical observatories

External links modified
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I have just modified one external link on List of highest astronomical observatories. 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/20131029192743/http://211.144.68.84:9998/91keshi/Public/File/41/337-6099/pdf/1156.full.pdf to http://211.144.68.84:9998/91keshi/Public/File/41/337-6099/pdf/1156.full.pdf

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Cheers.— InternetArchiveBot  (Report bug) 17:58, 30 December 2017 (UTC)