- Department of Transportation. Federal Highway Administration. Office of Planning, Environment, and Realty. Office of Natural and Human Environment. National Scenic Byways Program. 1991-
- National Archives at College Park - Still PicturesNational Archives at College Park - Still Pictures
The original finding aid described this photograph as: Original Caption: People explore the Rowena Loops Overlook on the Historic Columbia River Highway near an interpretive sign. Location: Location: Oregon (45.683° N 121.299° W) Status: Public domain. Photo by Dennis Adams.
- Magnetic Disk
Magnetic Disk: Hard Drive