- 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: Three swimmers wade into the calm waters of the Red River Gorge under a thick canopy of leaves. Location: Red River Gorge, Kentucky Status: Public domain.