Columbia subject headings:
Conservation of natural resources--United States.
Environmental policy--United States.
United States--Economic policy--1981-1993--Environmental aspects.
Harvard subject headings:
Conservation of natural resources--United States.
Economic development--Environmental aspects
Environmental policy--United States
United States--Economic policy--1981-1993--Environmental aspects.
Princeton subject headings:
Conservation of natural resources--United States.
Environmental policy--United States.
United States--Economic policy--1981-1993--Environmental aspects.