SAULT STE. MARIE, Mich. (AP) — The Soo Locks in Sault Ste. Marie are shutting down to marine traffic to allow the U.S. Army Corps of Engineers to perform critical maintenance.
The locks on the St. Marys River between Lake Superior and Lake Huron are expected to be closed from Saturday to March 25, according to the Army Corps of Engineers.
Great Lakes Now
https://www.greatlakesnow.org/2022/01/ap-soo-locks-close-winter/