1138 See Duncanville, 469 U.S. at 33 (discussing Brown v. United States, 263 U.S. 78 (1923)).1139 Bd. of Cty. Supervisors v. United States (Prince William Cty. II), 116 F.3d 454, 458 (Fed. Cir. 1997) (holding lower court “erred as a matter of law in reading our decision as foreclosing an inquiry into whether the value of the [strips of land] was different from the value of the surrounding land”).