- Department of Transportation. Federal Highway Administration. Office of Planning, Environment, and Realty. Office of Natural and Human Environment. National Scenic Byways Program. 1991-9999
- National Archives at College Park - Still Pictures
The original finding aid described this photograph as: Original Caption: The Holy Hills, known in legend as the point of humanity's entry into the world after the Great Flood, rise from the plain. Location: (46.412° N 100.619° W) Status: Public domain.