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Tri-State lauds Supreme Court decision to stay Clean Power Plan
On Feb. 9, 2016, the U.S. Supreme Court granted the applications of numerous parties, including Tri-State, to stay EPA's Clean Power Plan.
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Environmental assessment for Colowyo Mine project open for public comment
Draft environmental assessment for the Collom Area Development Project at Colowyo Mine available for public comment on Jan. 19.
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