(Rock Port) NW of Rock Port, Clay Township, Atchinson County, MO. US136 W. 1.2 miles from jct with MO111 (Main St.), S. (curves W.) on Highland Av. 0.2 miles to the tower on the S. side of the road. (7-7-09, N40 25.170 W95 32.209) Photos by Jack & June Schmidt.