Regional variations in economic growth and development : with emp hasis on rural areas /
Clark Edwards, Robert Coltrane, and Stan Dabe rkow.
- Washington : U.S. Department of Agriculture, Economic Research Se rvice, 1971.
- vi, 185 p. : ill., maps. ; 26 cm.
- Agricultural economic report ; no. 205 .
Includes bibliographical references.
Economic zoning -- United States.
United States -- Economic conditions -- Regional disparities.