![Judge Allows Environmentalists To Intervene in Mine Lawsuit](http://townsquare.media/site/67/files/2014/02/Open-Pit-Mine.jpg?w=980&q=75)
Judge Allows Environmentalists To Intervene in Mine Lawsuit
A federal judge has approved an environmental group's request to intervene in a lawsuit over mineral rights leases for the proposed Twin Metals copper-nickel mine near Ely in northeastern Minnesota.