This what a High Plains river looks like: the Huerfano River in southern Pueblo County, flowing northeast towards the Arkansas River.
Looking upstream to the southwest.
Looking downstream towards the northeast.
An historical marker near the bridge where the photos above were taken. Click the photo for a more readable image.
Yes, in Colorado this stream counts as a "river." It only goes dry occasionally. In May it might be rambunctious, during the snow melt.
Some tamarisk and Russian olive removal needs to be done here, as in so many places.