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U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Monocacy Aqueduct, the largest aqueduct in the famed C&O Canal System, is reflected below in slowly drifting waters.
Public Domain. Tourism Council of Frederick County, Inc
Download Original (2592 x 1944 pixels, 2609.7 MB)
