(Ruth, 12', 38-09-a) across a stream SW of Silverdale, Hilltown Township, Bucks County, PA. PA113 (Souderton Rd.) SW 1.6 miles from jct with PA152 in Silverdale to the bridge at the NW corner of PA113 & Keystone Dr. (9-11-04, N40° 19.80', W75° 17.43') Photo by George Conn.