SEITEL DATA, LTD., Appellant v. CENTER TOWNSHIP AND CENTER TOWNSHIP BOARD OF SUPERVISORS, Appellees; SEITEL DATA, LTD., Appellant v. SHIPPINGPORT BOROUGH AND SHIPPINGPORT BOROUGH COUNCIL, Appellees; SEITEL DATA, LTD., Appellant v. GREENE TOWNSHIP AND GREENE TOWNSHIP BOARD OF SUPERVISORS, Appellees, 631 Pa. 295