(Pinwheel #4, OH-55-54) in Troy, Miami County, OH. Market St. NE 0.5 miles from jct with OH55 (Staunton Rd.), NW on Foss Way 0.2 miles to the quilt on the SW side of the road at 110. R.T. Industries. (N40 03.080 W84 11.815) Photos by Jack & June Schmidt 6-9-15.