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
Lake Superior Zoo Lake Superior Zoo The Lake Superior Zoo is an AZA-accredited zoo in Duluth, Minnesota. The mission of the Lake Superior Zoo is to provide close-up animal experiences which inspire connections to wildlife and action toward conservation in our region and around the world. The Lake Superior Zoo was founded in 1923 by a West Duluth businessman, Bert Onsgard, when he built a pen for his white tail deer "Billy". This helped his vision spread through the community who in turn helped him build the zoo. The Pittsburgh Steel Company donated a rail car of fencing, people donated exotic pets, and