Utah Power and Light Company. Nos. 572-577, in Supreme Court, Oct. term, 1915, Utah Power & Light Company v. United States; United States v. Utah Power & Light Company; Beaver River Power Company v. United States; United States v. Beaver River Power Company; Lucien L. Nunn & Beaver River Power Company v. United States; United States v. Lucien L. Nunn & Beaver River Power Company, appeals and cross appeals from district court for district of Utah; motion by United States to advance.