(Potosi High School, 126', 1973, MO-110-01) in Potosi, Washington County, MO. Mine St. SW 0.15 miles from jct with MO8 (High St.), NW (right) on Trojan Dr. 0.1 miles to the school on the SW side of the road. (4-22-09, N37 56.158 W90 47.583) Photo by Jack Schmidt.