Actually, it's freakishly flat because of the glaciers, which happened after it stopped being an inland sea.
It's very interesting when it floods up where there was more glaciation. In Manitoba, a small amount of water spreads out EVERYWHERE, so when it floods there is water from horizon to horizon.
uhm. glacial outflow? most of the glacial remnants i've seen tend to leave more jagged terrain, but we spent a lot more time looking at glacier sources than endpoints....
where are the moraines for the glaciers you're discussing? st louis? (trying to remember, we didn't go over that part of the country in much details...)
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cipherpunk, if one dare ask, how high is the river now?
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It's very interesting when it floods up where there was more glaciation. In Manitoba, a small amount of water spreads out EVERYWHERE, so when it floods there is water from horizon to horizon.
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where are the moraines for the glaciers you're discussing? st louis? (trying to remember, we didn't go over that part of the country in much details...)
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But, if you're into this sort of thing, you should read about the Loess Hills. It's a neat place to see.