Talk:Herman Francis Mark

Update Links
I am the program coordinator of the ACS-National Historic Chemical Landmarks program. I have updated the references to ACS-NHCL web content, as those pages are being replaced. I have also added a link to the NHCL Wiki page. KLindblom (talk) 16:54, 25 June 2012 (UTC)

External links modified
Hello fellow Wikipedians,

I have just modified 2 external links on Herman Francis Mark. 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/20071013071557/http://www.chemheritage.org/explore/poly-mark.html to http://www.chemheritage.org/explore/poly-mark.html
 * Added archive https://web.archive.org/web/20090505162234/http://www.qcc.cuny.edu/NYACSReport2003/HistPolymer.htm to http://www.qcc.cuny.edu/NYACSReport2003/HistPolymer.htm

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Cheers.— InternetArchiveBot  (Report bug) 13:39, 1 April 2017 (UTC)