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Contents below:

     · Approaches to regional divisions in the USA

Subpages:

     · West

       · Midwest

         · South/Southeast

           · East

                  ~ New England

                  ~ Chesapeake Bay

Approaches to regional divisions in the USA

American Communities Project (ACP)

Ecological Subregions of the United States

Baileys' Eco-Regions (July 1995)