Note 668 — AMENDMENT 14 (continued 3)
Reading edition
Pennsylvania Coal Co. v. Mahon, 260 U.S. 393, 413-414 (1922). For comparable cases involving the Federal Government see Portsmouth Harbor L. & H. Co. v. United States, 260 U.S. 327 (1922) and United States v. Causby, 328 U.S. 256 (1946).