- 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: Two large stone pillars rise from the forest along the rugged Needles Highway. Location: Needles Highway Forest, South Dakota (43.842° N 103.537° W) Status: Public domain. Photo by Stephen Keegan.
- Magnetic Disk
Magnetic Disk: Hard Drive