Huron Perth students find Lake Huron threats
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2 | Introduction to the Great Lakes
The Great Lakes watershed includes part or all of eight U.S. states (Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio, Pennsylvania and New York) and the Canadian province of Ontario. Today, more than 33 million people inhabit this drainage basin: more than one-tenth of the population of the United States and one-quarter of the population of Canada.
Detailed Map: The Great Lakes-St. Lawrence River system
Graphics: Map of the Great Lakes basin watershed; kids enjoying the Great Lakes.