North America has a large number of historic canals, which have been closed to commercial shipping due in part to the evolution of transportation (higher tonnage ships, trains, trucks, etc.). While some historic canals have been filled in, forgotten or disused, many have survived, in whole or in part, becoming attractive heritage sites. For some of these, the challenge is to reconcile the preservation of historic components with the need to keep their waterway accessible to navigation. Thi...

North America has a large number of historic canals, which have been closed to commercial shipping due in part to the evolution of transportation (higher tonnage ships, trains, trucks, etc.). While some historic canals have been filled in, forgotten or disused, many have survived, in whole or in part, becoming attractive heritage sites. For some of these, the challenge is to reconcile the preservation of historic components with the need to keep their waterway accessible to navigation. Thi...

The Soulanges Canal is an infrastructure, located on the north shore of the St. Lawrence, which was opened to maritime traffic in 1900, succeeding the "old canal" of Beauharnois (established since 1843 on the north shore of the St. Lawrence). The Soulanges Canal was abandoned in 1959, when the current St. Lawrence Seaway linking the Great Lakes to the Atlantic opened.The Soulanges Canal was designed by the engineer Thomas Monro (1831-1903). Of Irish origin but trained in civil engin...

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