Russell Barton, Andy Sims, and Troy Okruhlik successfully obtained an affirmance of a judgment dismissing a quiet title suit to subsurface minerals that challenged decades-old tax sale deeds issued under Pennsylvania’s historical tax sale statutes. See Cornwall Mountain Invs., L.P. v. Thomas E. Proctor Heirs Trust, 158 A.3d 148 (Pa. Super. Ct. 2017, pet. denied), cert. denied, __ S. Ct. __ (Apr. 30, 2018).