Commencing in Greensburg, and running by way of Adamsburg and thence a short distance west of Adamsburg by spur to Manor; thence to Irwin; thence to a point on the dividing line between Westmoreland and Allegheny counties; thence by way of East McKeesport and Wilkinsburg to a point on the boundary line of the city of Pittsburgh, Allegheny County.
36 P.S. § 1092