United States v. 10.0 Acres, 533 F.2d 1092, 1095 n.1 (9th Cir. 1976) (noting “severance-damage cases . . . are not in point” regarding “a before-and-after valuation”); accord Cannon Dam, 586 F.2d at 86; United States v. 765.56 Acres of Land in Southampton (765.56 Acres II), 174 F. Supp. 1, 13-14 (E.D.N.Y. 1959), aff ’d sub nom. United States v. Glanat Realty Corp., 276 F.2d 264 (2d Cir. 1960).