E.g. , 320 Acres , 605 F.2d at 800 (discussing application of rule by exclusion of “evidence of sales possibly tainted by the Government’s condemnation activities”), 798-803 & nn.61-80 (citing cases applying rule); Kerr v. S. Park Comm’rs , 117 U.S. 379, 386 (1886) (sales affected by government project were properly excluded); cf. Fornatora , 557 F.3d at 1313 (valuation must consider preexisting zoning regulations because regulations’ impact was not “project influence”).