<a href="https://www.youtube.com/embed/hMZejIT8vAs?wmode=opaque&showinfo=0&autohide=1">Embedded video for The St. Lawrence Seaway - &amp;quot;The Eighth Sea&amp;quot;</a>Learn from Walter Cronkite as he discusses the founding, construction, and operation of the St. Lawrence Seaway! Video Gallery 10/4/16 Saint Lawrence Seaway Development Corporation: Great Lakes, Great Opportunities 4/25/16 25th Anniversary Promotional Video of the St. Lawrence Seaway 4/25/16 Georgetown University Forum on the St. Lawrence Seaway (1959)
