320 Acres , 605 F.2d at 802. In some cases, post-acquisition sales may be so distorted by project influence that they must be categorically excluded, particularly if sufficient untainted sales are available for a fair comparison – but this would be a legal determination beyond the scope of the appraiser. See id. at 802-03; 68.94 Acres in Kent , 918 F.2d at 398-99; see also United States v. Reynolds , 397 U.S. 14, 20-21 (1970); 4.85 Acres in Lincoln , 546 F.3d at 618-19 (noting “necessity of a case-by-case approach”); Lido Beach , 245 F.2d at 144 (“In every case it is a question of judgment ”).