[Non-Sequitur]

That was the major design flaw with the first Monitor. Later classes kept the low freeboard but were more sea worthy with taller fixed stacks and their pilot houses moved to the top of the turret. Following the war Monitor-type ships crossed the Atlantic and rounded Cape Horn.

[Shooter 2.5]

I especially liked the pictures of the monitors with the double turrets. I have some coffee table books that feature the various designs. I'll have to look up the ones you mentioned.