(Stairwell #1, 20', MO-92-15) at St. Charles Community College in Cottleville, St. Charles County, MO. Mid Rivers Mall Dr. N. 1.4 miles from jct with MO94, W. on Cottleville Pkwy 0.4 miles to the bldg on the N. side of the road. (N38 45.640 W90 38.553) Photo by Jack & June Schmidt 2-8-15.