(PWSD #1) in Columbia, Boone County, MO. US63 N. 4.3 miles from I70 exit 128, W. on Prathersville Rd. W. 0.4 miles, S. on Tower Dr. 100 yds to the tower. (7-14-09, N39 00.850 W92 18.832) Photos by Jack & June Schmidt.