An article in today’s Detroit News states that -
The northern Great Lakes, particularly Huron and Michigan, are losing water three times faster through the St. Clair River than previously believed, according to a study released Tuesday by a private Canadian group.
Of course, there is talk of an international study that should be performed to back [...]

This interesting video of a dive in the St. Clair river near Marine City shows what happens to divers when a freighter passes directly over them. Everything is calm and clear and the divers are exploring a shipwreck.
Then a freighter passes over them.
Turn your volume up and check it out -

If the player [...]