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| | Great Lakes - Hutchinson encyclopedia article about Great Lakes (Site not responding. Last check: 2007-10-21) |
 | | The chief ports of the Great Lakes are Fort William, Port Arthur, Hamilton, Toronto, and Kingston in Canada; and Duluth, Chicago, Milwaukee, Detroit, Cleveland, Erie, Toledo, and Buffalo in the USA. |
 | | Lake Superior (the largest in size and depth) is connected with Lake Huron via St Mary's River and by the Canadian and US ‘Soo’ (Sault Sainte Marie) canals. |
 | | Exotic species of wildlife introduced to the Great Lakes have caused serious problems: sea lampreys, introduced in the early 20th century, are parasites to native fish, and zebra mussels, were introduced in 1988, have clogged water pipes and destroyed indigenous species. |
| encyclopedia.farlex.com /Great+Lakes (661 words) |
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