(Bicentennial) NE of Greenfield, Buckskin Township, Ross County, OH. OH28/41/138 (Jefferson St.) E. 0.6 miles from jct with OH41 (Washington St.) in Greenfield, N. (curves NE) on OH138 3.2 miles to the flag on the NW side of the road at 3453. (N39 23.213 W83 20.136) Photo by Jack & June Schmidt 7-15-15.