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  • I've read a variant of this that's little more interesting, and useful, because it includes the backstory, as well as Canada's role (which does overlap a lot of the US).

    It's not 100% accurate, largely because of urbanization, but you can see how we got to where we are today.

  • The Rocky Mountains extend into NE Washington state. The map is a very rough approximation at best.

67 comments