Columbia subject headings:
Continental shelf--Economic aspects.
Marine resources--Government policy--United States.
Natural gas--United States.
Petroleum in submerged lands--United States.
Harvard subject headings:
Continental shelf--Economic aspects
Continental shelf--Economic aspects.
Marine resources--Government policy--United States.
Natural gas--United States
Petroleum in submerged lands--United States.
Princeton subject headings:
Continental shelf--Economic aspects.
Marine resources--Government policy--United States.
Natural gas--United States.
Petroleum in submerged lands--United States.