(10 sides, 47', 1974, MT-07-05) in Great Falls, Cascade County, MT. Central Av. W. 0.1 miles from jct with I15 exit 280, S. on 20th St. 0.45 miles, E. on 5th Av. 200’ to the barn on the S. side of the road at 1938. (N47 30.057 W111 20.749) Photo by Jack & June Schmidt 7-17-13.