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.
East Executive Avenue East Executive Avenue Northwest (commonly known as "East Executive Avenue") is a closed street in Washington, D.C. that, as of 2017, functions as a service road for authorized vehicles making deliveries to the White House, to which it is adjacent. Constructed in the 1870s, it is a short, north-south road that sits between the White House and the United States Treasury Building. The street was closed to public traffic in 1986 due to security concerns.