An interesting idea is the “American Redoubt” in Idaho, parts of Washington state, etc.
http://www.survivalblog.com/redoubt.html
Thanks for the hotlink.
Yes, that is a manageable-sized grouping of States to form an economically viable Region.
Once the USA is split up into Regions, it will never be put back together again.
There are just to many Regulations to overcome, and some Regions will add even more.
I’ve been looking at the northern part of Idaho for a looooong time...