(City of St. Charles) in St. Charles, St. Charles County, MO. Cave Springs Rd. S. 0.2 miles from jct with I70 exit 225, continue S. (curves SE) on Muegge Rd. 0.6 miles, S. (right - turns W.) on Abbydale Dr. 0.4 miles (to end) to the tower. (3-25-09, N38 46.763 W90 33.899) Photos by Jack Schmidt.