I finally got to visit the Grave Creek Mound (Moundsville, WV), and tour the museum beside it. It was very taxing on the knees to walk up the solid stone steps. The view is deceiving in the first picture, because the other side of the mound has a much steeper slope.
The stone marker is marked with the four directions. The pictures are washed out because we visited towards noon. The view in the marker picture is looking west across the Ohio River to the hills of Ohio.