http://amp.wpcamr.org/archives/7 Western Pennsylvania Coalition for Abandoned Mine Reclamation Tue, 07 Feb 2012 14:45:25 +0000 http://wordpress.org/?v=2.2.1 http://amp.wpcamr.org/archives/7#comment-5 WPCAMR Tue, 03 Oct 2006 14:22:40 +0000 http://amp.wpcamr.org/archives/7#comment-5 Read a follow-up discussion about sample filtering in the <a href="http://amp.wpcamr.org/archives/14" rel="nofollow">October 2, 2006 Abandoned Mine Posts entry</a>. It clarifies some of the science in this article and also relates filtering to mine drainage treatment. Read a follow-up discussion about sample filtering in the October 2, 2006 Abandoned Mine Posts entry. It clarifies some of the science in this article and also relates filtering to mine drainage treatment.

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