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Melanie Newfield's avatar

This is cool. I used to drive past an example in Marlborough many years ago. I can't remember the name of the river now though.

I also came across a similar phenomenon where a retreating glacier caused a river to completely disappear.

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Michael's avatar

These essays just keep getting more and more interesting! Or at least to me since I love Geology and own three of those yellow State roadside geology books. This was fascinating to read since I know next to nothing about Eastern U.S geology! Must be fun to live on a fault!

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