(Underground Railroad, OH-11-24) N. of Mechanicsburg, Rush Township, Champaign County, OH. OH559 N. 5.1 miles from jct with OH29 (Main St.) in Mechanicsburg to the quilt on the W. side of the road at 92. Thomas & Eva Carey. (N40 08.487 W83 31.873) Photos by Jack & June Schmidt 6-6-15.