Columbia subject headings:
Continental shelf--United States.
Offshore gas industry--Government policy--United States.
Offshore oil industry--Government policy--United States.
Oil and gas leases--United States.
Harvard subject headings:
Continental shelf--United States
Offshore gas industry--Government policy--United States.
Offshore oil industry--Government policy--United States.
Oil and gas leases--United States.
Princeton subject headings:
Continental shelf--United States.
Offshore gas industry--Government policy--United States.
Offshore oil industry--Government policy--United States.
Oil and gas leases--United States.