- 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: A small ethnography class gathers on the North Dakota prairie to learn more about the area. Location: North Dakota (46.232° N 100.647° W) Status: Public domain.