[Alberta's Child]

It looks like the predominant locations for the highest rates of men not working (in no particular order) are:

1. Appalachia
2. Indian reservations
3. urban ghettoes in big cities
4. very rural areas

Did I miss anything here?

[43north]

You did. No one lives in the big patch of Idaho that is dark blue except the Idaho Batholith (i.e. endless mountains) which is one of the harshest environments in the continental USA. In the summer (June-September) there are some miners in there but that’s about it.