The Great St. Lawrence Seaway

Who knew that this was such an engineering marvel?   In studying the search for the NorthWest Passage, we explored one of the by-products of that search... The St. Lawrence Seaway.  So Cool.

A Nice addition to our studies.

Also a few videos on YouTube were helpful.

The Great Lakes St. Lawrence Seaway ~ A Vital Waterway

This one show a time lapse of ships moving through the locks.

A recreational boat moving through a lock