Model 5/7 in Dell Rapids, South Dakota, circa 1969. Was removed sometime after 2008. https://cdn.vintageaerial.io/file/va-public/WBhqXQ3d/1000x.jpg XT22 in Lyons, South Dakota, circa 1985. https://cdn.vintageaerial.io/file/va-public/XohzkwNG/1000x.jpg 3T22 in Valley Springs, South Dakota, circa 1998...