(Square on a Square, OH-29-30) E. of Xenia, Xenia Township, Greene County, OH. Old US35 E. 3.8 miles from jct with US68 in Xenia to the quilt on the S. side of the road at 1915. Alm Family. (N39 41.895 W83 51.646) Photos by Jack & June Schmidt 6-1-15.