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
Rivers and lakes of Armenia ones include the Dzoraget and the Pambak. The following table is the list of the biggest rivers in Armenia: Armenia has one very large lake called Lake Sevan and more than 100 small mountain lakes. None of them, except Sevan and Lake Arpi, have yet been extensively studied. The water resources of the lakes amount to about , Sevan holding most of this, nearly (before the drainage it had almost ). At the country's capital, Yerevan, it is possible to find small lakes, often in amusement parks. Rivers and lakes of Armenia The Rivers and lakes in Armenia are mainly