137 A. 672 Lehigh Wilkes-Barre Coal Co. v. Pittston Coal Mining Co., Appellant. Supreme Court of Pennsylvania.April 12, 1927. May 9, 1927. Equity — Clean hands — Mines and mining — Mining over line — Diversion of water — Maxims. 1. A coal mining company, a defendant in an equity suit, cannot allege that plaintiff, […]