Look at this map, of a small part of the state of Minnesota:
See the wide channel that runs from left to right with the windy river in it? You are looking at one of the most amazing stories in geological history ever. I'd like to tell you about it.
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See the wide channel that runs from left to right with the windy river in it? You are looking at one of the most amazing stories in geological history ever. I'd like to tell you about it.
Read the rest of this post... | Read the comments on this post...