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    Re: Illinois drainage
    From: Michael Dorl
    Date: 2005 Nov 21, 12:30 -0600

    At 11:09 AM 11/21/05 +0000, you wrote:
    >To be honest, this isn't really a question about navigation, but about
    >geography and hydraulics. But some Nav-l contributors hail from the Illinois
    >area, so perhaps know the answer.
    Others can probably address the Chicago area drainage better than I but a
    few words about other mid-western US and Canadian drainage patterns.
    Here in Wisconsin, almost all of the area drains to the Mississippi; bit of
    the Eastern margins of the State drain to Lake Michigan and a fair amount of
    East central Wisconsin goes down the Fox River to Lake Michigan.  Only a
    very small margin of Northern Wisconsin drains to Lake Superior.  The Red
    River which forms the boundary between Minnesota and North Dakota is
    interesting. it drains the eastern portion of North Dakota and the western
    third of Minnesota but the water goes North to James Bay.  Makes for
    interesting times in Fargo ND when there is a big snow melt and spring
    rains before the Northern parts of the Red River thaw out.  In general, I
    think it's fair to say that Lakes Superior, Huron, and Michigan have very
    small drainage basin compared to their size.  The State of Michigan located
    between Lake Michigan and Huron is probably the biggest contributor to
    Great Lakes drainage.

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