The Great Lakes
The Great Lakes. Physical Aspects Geologic Origin Physical Features Fish Community Overview Lake Trout, Whitefish and the Lamprey invasion. Surface area: 245,000 km 2 Drainage basin: 753,950 km 2. 1. 3. Superior Michigan Huron Erie Ontario. 5. 2. 4. >12,000 B.C. ~11,700 B.C.
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