(Gaffey, 16', 1986, 38-15-i) across Branch Birch Run in Birchrunville, West Vincent Township, Chester County, PA. Flowing Spring Rd. NW 200’ from jct with School House Ln. in Birchrunville to the bridge on the S. side of the road. (4-2-06, N40 07.77 W75 38.33) Photo by Dan McWilliams.