Footnote 639

47.3096 Acres , 583 F.2d at 272 (quoting United States v. 478.34 Acres , 578 F.2d 156, 159 (6th Cir. 1978)); 341.45 Acres , 633 F.2d at 112 (“more than a few sporadic sales of such lots are necessary”); see Olson , 292 U.S. at 255.