(Interlocking O’s, OH-29-29) E. of Xenia, Xenia Township, Greene County, OH. Old US35 E. 2.4 miles from jct with US68 in Xenia to the quilt on the N. side of the road at 1260. Marshall Family. (N39 41.608 W83 53.163) Photos by Jack & June Schmidt 6-1-15.