X-Nico

unusual facts about St. Marys River



Lake Huron

Lake Superior drains into the St. Marys River at Sault Ste. Marie which then flows southward into Lake Huron.

Tacoma-class frigate

Ice prevented patrol frigates built on the Great Lakes from transiting the Soo Locks on the St. Marys River between Lake Superior and Lake Michigan in the winter and spring, requiring them to be floated down the Mississippi River on pontoons to New Orleans or Houston for fitting out, often doubling their construction time.


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