ONTARIO POWER GENERATION, INC., Plaintiff-Appellant, v. UNITED STATES, Defendant-Appellee, v. Mingo Logan Coal Co., Ashland Coal, Inc., and Arch Coal Sales, Inc., Third party Defendants-Appellees, and Alliance Coal LLC, Third party Defendant-Appellee. No. 03-5161.United States Court of Appeals, Federal Circuit. DECIDED: May 20, 2004. Appeal from the United States Court of Federal Claims, Francis M. […]