(MI-81-55) SW of Chelsea, Sylvan Township, Washtenaw County, MI. Old US12 W. (curves SW) 0.6 miles from jct with MI52 (Main St.) in Chelsea to the house on the E. side of the road at 19375 up a driveway 0.15 miles. (N42 17.874 W84 02.943) Photos by Mark & Gordie Comstock & Larry Baker 7-16-20.