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132613P.pdf   07/23/2014  National Parks Conservation  v.  Northern States Power Company
   U.S. Court of Appeals Case No:  13-2613
   U.S. District Court for the District of Minnesota - Minneapolis   
   [PUBLISHED] [Shepherd, Author, with Colloton and Kelly, Circuit Judges] 
   Civil case - Clean Air Act. In an action by environmental groups to impose 
   emission-control technology on Northern States Power's Sherburne County 
   power plant, the district court erred in denying Northern States Power's 
   motion to intervene as the company satisfied all of the elements of 
   Article III Standing - injury, causation and redressability; further, the 
   motion met the requirements of Fed. R. Civ. P. 24(a), and Northern States 
   Power was entitled to intervene as of right.