I recommend Nick Zentner's YT lectures, if you want to understand the deep history of the Columbia basin: https://m.youtube.com/@GeologyNick https://m.youtube.

I recommend Nick Zentner's YT lectures, if you want to understand the deep history of the Columbia basin: https://m.youtube.com/@GeologyNick https://m.youtube.com/@GeologyNick Be careful what you wish for :)