Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.46901

Sec. 46901. A person shall not take or attempt to take rainbow trout in the waters of the Soo Rapids, and the United States power canal and tailrace, the north and south canals, the locks and the approaches thereto, between the international railway bridge and a line drawn from the ferry dock immediately below the St. Marys falls in Sault Ste. Marie, Michigan, to the ferry dock in Sault Ste. Marie, Ontario, all being a part of the St. Marys river, Chippewa county, except from June 1 to November 30. This section does not apply to the Michigan northern power canal, which is a part of the connecting waters between Lake Superior and Lake Huron for the purpose of regulating fishing in that area.