387 U.S. 428 387 U.S. 428 87 S.Ct. 1712 18 L.Ed.2d 869 Stewart L. UDALL, Secretary of the Interior, Petitioner,v.FEDERAL POWER COMM’N et al. WASHINGTON PUBLIC POWER SUPPLY SYSTEM, Petitioner, v. FEDERAL POWER COMM’N et al. Nos. 463 and 462. Argued April 11 and 12, 1967. Decided June 5, 1967. [Syllabus from pages 428-429 intentionally […]