Columbia subject headings:
Central places--United States.
Land use, Urban--United States.
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-1981.
Urban economics--Case studies.
Harvard subject headings:
Central places--United States.
Land use, Urban--United States.
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-1981.
Urban economics--Case studies.
Princeton subject headings:
Case studies.
Central places--United States.
Land use, Urban--United States.
United States--Economic conditions--1961-1971.
United States--Economic conditions--1971-.
Urban economics--Case studies.