what historic building in Washington, D.C. is located near the canal who's primary cargo is coal
Vigilant Firehouse (Washington, D.C.): The Vigilant Firehouse is a historic building in the Georgetown section of Washington, D.C. located at 1066 Wisconsin Ave., NW, just north of the Chesapeake and Ohio Canal and the Canal Monument. Chesapeake and Ohio Canal:  The canal's principal cargo was coal from the Allegheny Mountains.
a historic building in the Georgetown section of Washington, D.C. located at 1066 Wisconsin Ave., NW