| |
| | Opera Directory (Site not responding. Last check: 2007-10-13) |
 | | University of Rochester students' documentation of the history of the Erie Canal and its successor, the New York State Barge Canal, with concentration on the impact on New York and America in the nineteenth century. |
 | | Information on UK navigable rivers and canals, including tables of locks and distances, map, history, tunnels, aqueducts, bibliography, articles, photographs, and glossary. |
 | | Motor boating on the River Severn, River Avon and Sharpness canal, England. |
| portal.opera.com /directory/?cat=97718 (1581 words) |
|