Talk:Hardgrove Grindability Index

External links modified
Hello fellow Wikipedians,

I have just modified 2 external links on Hardgrove Grindability Index. 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/20141014051429/http://archive.wmlnj.org/TheWestfieldLeader/1978/1978-11-09/pg_0004.pdf to http://archive.wmlnj.org/TheWestfieldLeader/1978/1978-11-09/pg_0004.pdf
 * Added tag to http://www.acarp.com.au/Downloads/ACARPHardgroveGrindabilityIndex.pdf
 * Added archive https://web.archive.org/web/20120916062439/http://files.asme.org/ASMEORG/Communities/History/Landmarks/5559.pdf to http://files.asme.org/ASMEORG/Communities/History/Landmarks/5559.pdf

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Cheers.— InternetArchiveBot  (Report bug) 04:26, 30 October 2017 (UTC)