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U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Inscriptions covering each day of the week are taken from Thoreau's short essay, "A Week on the Concord and Merrimack Rivers."
Public Domain. Photo by Dennis Adams of FHWA
Download Original (501 x 744 pixels, 365.6 KB)
