Columbia subject headings:
Natural gas in submerged lands--Law and legislation--United States.
Offshore oil well drilling--Law and legislation--United States.
Oil and gas leases--United States.
Harvard subject headings:
Indemnity against liability--Louisiana.
Indemnity against liability--Texas.
Indemnity against liability--United States.
Offshore oil industry--Louisiana.
Offshore oil industry--Texas.
Offshore oil industry--United States
Oil well drilling--Law and legislation--United States.
Princeton subject headings: