721 A.2d 1061 EIGHTY-FOUR MINING COMPANY, Appellee v. THREE RIVERS REHABILITATION, INC., Appellant. [J-147-98]Supreme Court of Pennsylvania, Western District.Argued September 14, 1998. Decided December 21, 1998. Appeal from the Commonwealth Court entered January 9, 1997 at No. 1452 C.D. 96. Page 444 Paul F. Laughlin, Pittsburgh, for Three Rivers Rehabilitation. Elizabeth B. Metz, Harrisburg, for […]