Columbia subject headings:
Environmental policy--United States--Congresses.
Government ownership--United States--Congresses.
Land use--United States--Congresses.
Public lands--United States--Congresses.
Harvard subject headings:
Environmental policy--United States--Congresses
Government ownership--United States--Congresses.
Land use--United States--Congresses.
Public lands--Congresses.
Public lands--Government policy--United States--Congresses.
Public lands--United States--Congresses.
Public lands--United States--Management--Congresses.
Princeton subject headings:
Environmental policy--United States--Congresses.
Government ownership--United States--Congresses.
Land use--United States--Congresses.
Public lands--United States--Congresses.