(Maple Leaf, OH-11-29) W. of Urbana, Mad River Township, Champaign County, OH. US36 W. 3.75 miles from jct with US68 in Urbana to the quilt on the S. side of the road at 3339. John & Bonnie Warman. (N40 06.503 W83 49.373) Photos by Jack & June Schmidt 6-6-15.