Chesapeake and Ohio Canal (also known as "the Grand Old Ditch" or the "C&O Canal"). Construction began in 1828 and ended in 1850. This is Lock 17 in the National Historical Park MD.
Chesapeake and Ohio Canal (also known as "the Grand Old Ditch" or the "C&O Canal"). Construction began in 1828 and ended in 1850. This is Lock 17 in the National Historical Park MD.