(Flag) N. of St. Charles, Rivers Township, St. Charles County, MO. MO94 N. 3.6 miles from jct with MO370 in St. Charles, left on Lago Vista Dr. 150’ to the flag on the S. side of the road at 22 on the back side of the bldg. (N38 51.017 W90 27.160) Photos by Jack & June Schmidt 4-21-14.