High above the city, near the small town of South Fork, the South Fork Dam was originally built between 1838 and 1853 by the Commonwealth of Pennsylvania as part of a canal system to be used as a reservoir for a canal basin in Johnstown.

With the coming-of-age of railroads superseding canal barge transport, the lake was abandoned by the Commonwealth, sold to the Pennsylvania Railroad, and sold again to private interests and eventually came to be owned by the South Fork Fishing and Hunting Club in 1881.

At first there was no passenger service, for south of the station was the Akihabara cargo docks, where goods from all over the world would flow into Kanda by river and be hauled up the east bank of the canal to be ticketed at the central cargo transport window.

Later, navigation was stopped in 1904 and the canal has since then, been exclusively used for irrigation purposes only.

At present the canal does not flow in district Gurgaon, but only in Faridabad, which was earlier a part of Gurgaon.

In other cases, water pumped from mines was used to feed the canal.

By far the longest canal was the Grand Canal of China, still the longest canal in the world today, and the oldest extant one.

The project began in 605 and was completed in 609, although much of the work combined older canals, the oldest section of the canal existing since at least 486 BC.

The first artificial canal in Christian Europe was the Fossa Carolina built at the end of the 8th century under personal supervision of Charlemagne.

It was constructed in 1639 to provide water power for mills. In Russia, the Volga-Baltic Waterway, a nationwide canal system connecting the Baltic and Caspian seas via the Neva and Volga rivers, was opened in 1718.

The most notable power canal was built in 1862 for the Niagara Falls Hydraulic Power and Manufacturing Company.

In France, a steady linking of all the river systems — Rhine, Rhône, Saône and Seine — and the North Sea was boosted in 1879 by the establishment of the Freycinet gauge, which specified the minimum size of locks so that canal traffic doubled in the first decades of the 20th century.

Among these was a large canal leading from the Rhine to the sea, as well as a road from Italy to Germany — both begun by his father, Drusus.

The canal was featured on Ripley's Believe It or Not in the 1970s due to the phenomenon that in winter the canal freezes before the lakes and then after the lakes freeze, the canal thaws and remains unfrozen for the rest of the winter.

In their first major use at the Battle of Cambrai ( 1917 ), the plan was for a cavalry division to follow behind the tanks, however they were not able to cross a canal because a tank had broken the only bridge.

The canal was mooted in classical times and an abortive effort was made to build it in the 1st century AD.

In the 19th century, it was connected by a canal to the Berezina and Dnieper rivers ( canal is currently not functioning ).

( This ancient, second, canal may have followed a course along the shoreline of the Red Sea when it once extended north to Lake Timsah.

Hidden below the old city is a canal network called the Binnendieze that once spanned 22 kilometres.

With the opportunity is brought to light part of the course of the canal once used by craftsmen weavers.

It is still often referred to on maps by the original canal crossing name of Windmill Bridge and is very close to the spot where the eponymous windmill once stood ; attracting the attention of a local Brentford artist named Joseph Mallard William Turner.

The area of the canal east of the tunnel and north of the City Road was once dominated by much warehousing and industry surrounding the large City Road Basin and Wenlock Basin.

Due to the size of the canal network controlled, half of the United Kingdom population lives within five miles of a canal or river once managed by British Waterways.

Seasonal flooding occurs in the lowlands between the rail line and the river where the canal once passed.

Tolls on all cargoes using the canal were collected at Tonnage Bridge, where there was once a wharf and a cottage.

A boatlifting device, the Falkirk Wheel, was built to connect the two canals and once more allow boats to travel from the Clyde or Glasgow to Edinburgh, with a new canal connection to the River Carron and hence the River Forth.

The Port Dundas branch has been re-connected to Pinkston Basin, which once formed the terminus of the Monkland Canal, by the construction of of new canal and two locks.

There was once a pipe from the side of the canal that enabled locomotives to draw water to fill the loco's tank.

Ten years after the re-opening, the Queen Mother performed the same ceremony for the Upper Avon Navigation, which had been derelict for more than a century, and the canal became part of a through route to the River Severn once more.

While the original goal was preservation of the remains, in 1992 the society became the Herefordshire and Gloucestershire Canal Trust ( H & G Canal Trust ) and the aim became full restoration of the of canal and locks so that Hereford would once again be linked with Ledbury, Dymock, Newent and the rest of the inland waterway system at Gloucester.

Several features are still visible including a bridge that once carried the Edford to Stratton Common road over the canal and an aqueduct at Coleford, with two semi-circular arches nearly across and a similar height.

It was once the broadest and deepest canal in the world.

A walkway along the river leads to several additional unrestored mill sites, providing views of restored and unrestored canal raceways once used by the mills.

Other exhibits include a working streetcar line, canal boat tours exploring some of the city's gatehouses and locks, and the River Transformed / Suffolk Mill Turbine Exhibit, which shows how water power, namely the Francis Turbine, was once used to run Lowell's textile factories.

On the Canal de Neufossé, near the town, is the Ascenseur des Fontinettes, a hydraulic lift which once raised and lowered canal boats to and from the Aa, over a height of 12m.

The canal was once an important artery of trade between the English Midlands and London, and is now highly popular among pleasure boaters.

Braunston's main claim to fame is its canal junction between the Oxford Canal and the Grand Union Canal, which was once an important part of the national transport system.

The final bridge carries the B1273 Brayford Way over the canal as it enters Brayford Pool, once a busy commercial wharf in the centre of Lincoln, but now a marina with the University on the southern bank.

It is situated mainly on the islands of Usedom and Wolin, but also occupies smaller islands, of which the largest is Karsibór island, once part of Usedom, now separated by a Piast canal ( formerly the Kaiserfahrt ) dug in the late 19th century to facilitate ship access to Szczecin ( Stettin ).

One theory for this is the " 4th trimester theory " which notes that most animals are born with significant mobility, but humans are relatively helpless at birth, and suggests that there may have once been a fourth trimester, but that children began to be born earlier, evolutionarily, to accommodate the development of larger heads and brains and allow them to pass through the birth canal and this leaves them with partially undeveloped digestive systems.

Also, within the first twenty years this town was established as a vital part of the canal industry.

Their vital link was in the restoration, building, and repairing of canal boats along the Lehigh Canal which ran parallel to the Lehigh River.

The British canal system of water transport played a vital role in the United Kingdom's Industrial Revolution at a time when roads were only just emerging from the medieval mud and long trains of pack horses were the only means of " mass " transit by road of raw materials and finished products ( it was no accident that amongst the first canal promoters were the pottery manufacturers of Staffordshire ).

The Coventry canal was a vital trade artery for many years.

Today, the Canal is a vital link in world trade, and contributes significantly to the Egyptian economy ; in 2009 the income generated from the canal accounted for 3. 7 % of Egypt's GDP.

Their reliance on agricultural strategies based on canal irrigation, vital in their less than hospitable desert environment and arid climate, provided the basis for the aggregation of rural populations into stable urban centers.

The canal is vital to the ports of the Delaware River, Baltimore, and others along the northern Atlantic trade routes.

The expansion of the canal meant that industry could start to develop along the canal side, with the transport provided by the canal being “ vital to the industry ” ( Grand Union Canal Company ).

The railroad and the canal were vital in the development of Chicago and the population of the city tripled in the six years after the opening of the canal.

The canal served as a vital link during the industrial revolution.

The canal was vital to Britain's communications with her Far Eastern and Indian Ocean territories.

When computed tomography or, more specifically, cone beam computed tomography or CBCT ( 3D X-ray imaging ) is used preoperatively to accurately pinpoint vital structures including the inferior alveolar canal, the mental foramen, and the maxillary sinus, the chances of complications might be reduced as is chairtime and number of visits.

Consequently, after root canal therapy is performed, a tooth becomes extremely brittle and is significantly weaker than its vital neighbors.

The canal, which operated from 1828 to 1924, provided a vital waterway link with areas up and downstream prior to and during the early years after the arrival of the railroad.