Both are in Lehigh County according to our mapping software. From PA Line, Powder Valley, pop. 30, U. Milford Twp., is E of Rt 29 between Hereford & Zionsville. Hosensack, Lower Milford Twp., pop. 100, appears to be along Hosensack Creek & Schultz Bridge Rd., SE of Powder Valley. Good hunting. Art -- Genealogy without documentation is mythology!