Columbia subject headings:
Conservation of natural resources--Government policy--United States--Congresses.
Natural resources--Government policy--United States--Congresses.
Public lands--Government policy--United States--Congresses.
Harvard subject headings:
Conservation of natural resources--Government policy--United States--Congresses.
Land use--Economic aspects--United States--Congresses.
Natural resources--Government policy--United States--Congresses.
Public lands--United States--Congresses.
Public lands--United States--Government policy--Congresses.
Princeton subject headings:
Conservation of natural resources--Government policy--United States--Congresses.
Natural resources--Government policy--United States--Congresses.
Public lands--United States--Government policy--Congresses.