what historic building in Washington, D.C. is located near the canal who's primary cargo is coal
Chesapeake and Ohio Canal The Chesapeake and Ohio Canal, abbreviated as the C&O Canal and occasionally called the "Grand Old Ditch," operated from 1831 until 1924 along the Potomac River from Washington, D.C., to Cumberland, Maryland. The canal's principal cargo was coal from the Allegheny Mountains.
Old Capitol Prison The Old Brick Capitol in Washington, D.C. served as temporary Capitol of the United States from 1815 to 1819. The building was a private school, a boarding house, and, during the American Civil War, a prison known as the "Old Capitol Prison." Razed in 1929, its site is now occupied by the U.S. Supreme Court building.