Water shed map of the Great Lakes
Water shed map of the Great Lakes
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That's a surprisingly small watershed for such large lakes. Does it rain a lot or is it just accumulated over a very long time?
9 0 ReplyThey’re the puddles left behind after the glaciers melted at the end of the ice age. “The time of rushing waters.”
8 0 ReplyA bit of both in my non-expert but local understanding.
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