Columbia subject headings:
Petroleum in submerged lands--Cost effectiveness--Congresses.
Petroleum industry and trade--Environmental aspects--United States--Congresses.
Harvard subject headings:
Petroleum in submerged lands--Cost effectiveness--Congresses.
Petroleum industry and trade--Environmental aspects--United States--Congresses.
Princeton subject headings:
Petroleum in submerged lands--Cost effectiveness--Congresses.
Petroleum industry and trade--Environmental aspects--United States--Congresses.