Social and economic stratification in Appalachia
Appalachia is a geographic region of the Eastern United States. Home to over 25 million people, the region includes mountainous areas of 13 states: Mississippi, Alabama, Pennsylvania, New York, Georgia, South Carolina, North Carolina, Tennessee, Virginia, Kentucky, Ohio, Maryland, as well as the entirety of West Virginia.
Source: Wikipedia — Social and economic stratification in Appalachia (CC BY-SA 4.0)