Robert Evans sends his regards!

Illegal terms in T&C are still illegal regardless of whether you agreed to them or not in the US.

https://www.uh.edu/nsm/news-events/stories/2018/0723-geologic-history.php

Basically sediment from the Appalachian region was deposited by ancient rivers and wind currents, with this sediment later being uplifted and then eroded to form the Rockies.

The Rockies and most of the mountain ranges on the west coast were formed from the erosion of the Appalachian mountains!