(Eagle) S. of Portage Des Sioux, Rivers Township, St. Charles County, MO. Klinghammer Rd. S. 1.0 miles from jct with Common Field St. in Portage Des Sioux, W. on MO94 0.3 miles to the carving on the N. side of the road at 7359. (N38 54.744 W90 21.434) Photo by Jack & June Schmidt 4-21-14.