Township Line Run
Township Line Run is a long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. Township Line Run straddles to boundary between Unity and Hempfield Township and of Mount Pleasant and Hempfield Township. This is the only stream of this name in the United States. Course. Township Line Run rises in Denison, Pennsylvania, and then flows southwest to join Sewickley Creek at Armbrust. Watershed. Township Line Run drains of area, receives about 42.7 in/year of precipitation, has a wetness index of 371.26, and is about 48% forested.