#50235: Sandstone, Sand Dunes and Ridges Forever
Public Domain. Photo by Dennis Adams
Download Original (746 x 483 pixels, 292.4 KB)
U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Public Domain. Photo by Dennis Adams
Download Original (746 x 483 pixels, 292.4 KB)