Which canal's cargo was primarily coal, the Cape Cod Canal or the Chesapeake and Ohio Canal?
Cape Cod Canal: The Cape Cod Canal is an artificial waterway in the U.S. state of Massachusetts connecting Cape Cod Bay in the north to Buzzards Bay in the south. 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. Chesapeake and Ohio Canal:  The canal's principal cargo was coal from the Allegheny Mountains.
Chesapeake and Ohio Canal