St. Lawrence Seaway Authority fonds, 1984-1991, n.d.
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The St. Lawrence Seaway is a system of locks, canals and channels. Construction of the seaway began in 1954 and it opened on April 25th,
1959. It consists of a 189 mile (306 kilometer) stretch of the seaway
between Montreal and Lake Ontario. The Seaway is considered to be
an engineering feat with 7 locks in the Montreal – Lake Ontario section which lift vessels to 246 feet (75 meters) above sea level.
The 28 mile (44 kilometer) Welland Canal is the fourth version of a
link between Lake Ontario and Lake Erie. Today there are 8 Canadian locks which lift ships 326 feet (100 meters) over the Niagara Escarpment.
The St. Lawrence Seaway Authority is a Canadian Government Crown Corporation which is financially self-sufficient. It depends on the tolls charged to the users of the Seaway for its revenue and
operating expenses.