Welland Canal and crossings are numbered from north to south. The following illustration depicts the profile of the Welland Canal. The horizontal axis is the length of the canal. The vertical axis is the elevation of the canal segments above mean sea level. If assigned by the St. Lawrence Seaway Authority. The original bridges across the fourth canal were numbered in order. Numbering was not changed as bridges were removed. Welland Canal The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway. Traversing the Niagara Peninsula
Exeter Ship Canal converted to wider recreational use. The canal basin itself is popular for a range of water sports. Throughout the year the Butts Ferry, a small hand powered passenger ferry, operates across the river by Exeter quay and canal basin during the day, though there is a footbridge close at hand. A ferry has been operating here since at least 1641. Exeter Ship Canal The Exeter Ship Canal, also known as the Exeter Canal, downstream of Exeter, Devon, England. It was built in the 1560s which means it pre-dates the "canal mania" period and is one of the oldest artificial waterways