Columbia subject headings:
Emergency management.
Petroleum industry and trade.
Petroleum reserves.
Petroleum--Storage.
Harvard subject headings:
Emergency management
Emergency management--Congresses
Petroleum industry and trade
Petroleum industry and trade--Congresses
Petroleum reserves--Congresses.
Petroleum reserves--Government policy.
Petroleum--Storage--Congresses.
Princeton subject headings:
Emergency management--Congresses.
Petroleum industry and trade--Congresses.
Petroleum reserves--Congresses.
Petroleum--Storage--Congresses.