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U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
The ancient inhabitants of the land left behind traces of their presence. This panel in the Gladie Learning Center explains what archaeologists have discovered, particularly in the rock shelters of the area.
Public Domain. Photo by A. E. Crane
Download Original (2256 x 1496 pixels, 747.1 KB)
