Seaway's 50th anniversary soiled by invasive species

Fifty years ago Friday, President Dwight Eisenhower and Britain's Queen Elizabeth II walked down a red carpet, climbed aboard a "floating palace" of a yacht named Britannia and ceremoniously sailed through the St. Lambert lock near Montreal to hail the opening of the St. Lawrence Seaway.

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<p><a href="http://www.physorg.com/news165255219.html">Seaway's 50th anniversary soiled by invasive species</a></p> <p>Fifty years ago Friday, President Dwight Eisenhower and Britain's Queen Elizabeth II walked down a red carpet, climbed aboard a "floating palace" of a yacht named Britannia and ceremoniously sailed through the St. Lambert lock near Montreal to hail the opening of the St. Lawrence Seaway.</p>