Coal mining/External Links: Revision history

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23 March 2014

18 October 2010

  • curprev 22:3122:31, 18 October 2010‎ imported>Milton Beychok‎ m 349 bytes −54‎ Deleted one link because it was about abandoned iron and other metal mines rather than coal mining.
  • curprev 22:2922:29, 18 October 2010‎ imported>Milton Beychok‎ 403 bytes +403‎ Missing capitalization typo

29 May 2009

  • curprev 23:0123:01, 29 May 2009‎ imported>Milton Beychok‎ m 403 bytes +403‎ Updated and eliminated inactive/unavailable links and one non-essential link.
  • curprev 21:1521:15, 29 May 2009‎ imported>Roger A. Lohmann‎ 686 bytes +686‎ Transfer from Coal Mining History
Retrieved from "https://citizendium.org/wiki/Coal_mining/External_Links"