Ship it!

Iroquois Locks, Iroquois, Ontario      wikipedia.org  - click to enlarge

  On August 10, 1954 it became possible for sea going ships to go as far inland as Lake Superior.  That was the day the Saint Lawrence Seaway was opened and operational.
  The seaway is a series of locks, inland channels and the Welland Canal that operate between the Saint Lawrence River and the Great Lakes.  It was an engineering masterpiece at that time and remains useful even though many of todays ships are much too large to use it; the maximum boat length is 740 feet with a width of 78 feet so barges are used for the most part.
  The opening was officiated by Queen Elizabeth II and President Dwight D. Eisenhower with joint speeches while aboard the Royal Yacht Britannia at Saint Lambert, Quebec.
  Bon Voyage.

The Eisenhower Locks