Fig. 4. Nonmetropolitan population change by economic subregion, 1970-1976.
[From 1979 Handbook of Agricultural Charts (USDA/ESCS Agriculture Handbook
561), 1979.]

1. northern New England-St. Lawrence2. northeastern metropolitan belt
3. Mohawk Valley and New York-pennsylvania border4. northern Appalachian coal fields
5. lower Great Lakes industrial6. upper Great Lakes
7. dairy belt8. central corn belt
9. southern corn belt10. southern interior uplands
11. southern Appalachian coal fields12. Blue Ridge, Great Smokies, and Great Valley
13. southern piedmont14. coastal plain tobacco and peanut belt
15. old coastal plain cotton belt16. Mississippi delta
17. Gulf of Mexico and South Atlantic coast18. Florida peninsula
19. east Texas and adjoining coastal plain20. Ozark-Ouachita uplands
21. Rio Grande22. southern great plains
23. northern great plains24. Rocky mountains, Idaho-Utah valleys, and Columbia Basin
25. north Pacific coast (including Alaska)26. the southwest (including Hawaii)

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