Originally Posted by BMT

Imagine this hole

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Being exposed to this

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Anyone else wonder where the huge boulders in the second phot came from?

Dug up and shoved downhill by the torrent?


The different angles make it hard to really see what's going on, but the ground on that side of the spillway was previously much higher. Quite possible that those boulders were covered by dirt where they sit, until water washed it away. Scan through collections of historical photos next to recent ones and you'll see what I mean.

Lunatic fringe....we all know you're out there.