Columbia subject headings:
Continental shelf--Mexico, Gulf of.
Offshore gas industry--Environmental aspects--Mexico, Gulf of.
Offshore gas well drilling--Environmental aspects--Mexico, Gulf of.
Offshore oil industry--Environmental aspects--Mexico, Gulf of.
Offshore oil well drilling--Environmental aspects--Mexico, Gulf of.
Oil and gas leases--Environmental aspects--Mexico, Gulf of.
Petroleum in submerged lands--Mexico, Gulf of.
Harvard subject headings:
Continental shelf--Mexico, Gulf of
Offshore gas industry--Environmental aspects--Mexico, Gulf of.
Offshore gas well drilling--Environmental aspects--Mexico, Gulf of.
Offshore oil industry--Environmental aspects--Mexico, Gulf of
Offshore oil well drilling--Environmental aspects--Mexico, Gulf of.
Oil and gas leases--Environmental aspects--Mexico, Gulf of.
Petroleum in submerged lands--Mexico, Gulf of.
Princeton subject headings:
Continental shelf--Mexico, Gulf of.
Offshore gas industry--Environmental aspects--Mexico, Gulf of.
Offshore gas well drilling--Environmental aspects--Mexico, Gulf of.
Offshore oil industry--Environmental aspects--Mexico, Gulf of.
Offshore oil well drilling--Environmental aspects--Mexico, Gulf of.
Oil and gas leases--Environmental aspects--Mexico, Gulf of.
Petroleum in submerged lands--Mexico, Gulf of.