GENERAL VIEW OF SOO LOCKS
Sault Ste. Marie, Mich.
In the foreground, ore boat downbound in the MacArthur Lock. In the backgrounhd, ore boat upbound in the Davis Lock. There are four locks on the American side of the roaring St. Mary's Rapids, and one on the Canadian side. The American canals are known as : the MacArthur; the Poe; the Davis and the Sabin. The MacArthur lock was constructed during World War II and was named for General Douglas Mac Arthur. The Poe, Davis, and Sabin Locks were named for engineers who were instrumental in their construction