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U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Whether you think it is a bow or a bird, this arrangement of rocks on a Wisconsin hillside beside the Great River Road is an archaeological curiosity.
Public Domain. Photo by S. Clyde
Download Original (3008 x 2000 pixels, 5769.3 MB)
