<P> 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 . </P>
<P> 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 . </P>
where does the c and o canal start
where does the c and o canal start
from Washington , D.C. , to Cumberland , Maryland
from Washington , D.C. , to Cumberland , Maryland