- 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: The rust-colored bacteria surrounding this thermal pool near West Thumb makes for a beautiful contrast of colors. Location: Wyoming (44.468° N 110.839° W) Status: Public domain. Photo by Katie Armstrong of NSBO.
- Magnetic Disk
Magnetic Disk: Hard Drive