Great Lakes Waterway River between Huron and Erie. Usually, one or more U.S. Coast Guard icebreakers help keep the water passage open for part of the fall and early winter, although shipping usually ceases for two to three months thereafter. The Great Lakes Waterway is co-administered by the governments of Canada and the United States of America. The waterway allows passage from the Atlantic Ocean to the inland port of Duluth on Lake Superior, a distance of and to Chicago, on Lake Michigan, at . Together with the Saint Lawrence Seaway, the Waterway allows both ocean-going vessels and the ore, grain and coal-bearing
Knife River (Lake Superior) unincorporated community of Knife River, Minnesota, located at the river's mouth. Knife River (Lake Superior) The Knife River is a river of northern Minnesota which drains a portion of Lake and Saint Louis counties into Lake Superior between Duluth and Two Harbors. The Knife River's name is an accurate preservation of its native Ojibwe name, "Mokomani Zibi". Its original name was probably given on account of the long, sharp stones near the mouth of the river. The main branch of the Knife River flows from source to mouth, flowing parallel to the shoreline from the direction of Two Harbors. It