Columbia subject headings:
Energy policy--United States.
Natural resources--Government policy--United States.
United States--Economic conditions--1971-1981--Regional disparities.
United States--Economic conditions--1981-2001--Regional disparities.
United States--Economic policy--1981-1993.
Harvard subject headings:
Energy policy--United States
Natural resources--Government policy--United States
United States--Economic conditions--1971-1981--Regional disparities.
United States--Economic conditions--1981-2001--Regional disparities.
United States--Economic policy--1981-1993.
Princeton subject headings:
Energy policy--United States.
Natural resources--Government policy--United States.
United States--Economic conditions--1971---Regional disparities.
United States--Economic policy--1981-1993.