(Double Wedding Ring, OH-55-04) NW of Piqua, Washington Township, Miami County, OH. OH185 W. 3.85 miles from jct with US36 in Piqua to the quilt on the S. side of the road at 4910. Mark & Pam Hall. (N40 09.675 W84 17.774) Photos by Jack & June Schmidt 6-4-15.