Columbia subject headings:
Harvard subject headings:
Gas fields--Europe--Maps
Gas fields--Former Soviet republics--Maps.
Gas industry--Europe--Maps.
Gas industry--Former Soviet republics--Maps.
Gas pipelines--Europe--Maps.
Gas pipelines--Former Soviet republics--Maps.
Maps
Natural gas in submerged lands--Europe--Maps.
Natural gas in submerged lands--Former Soviet republics--Maps.
Natural gas--Commerce--Europe--Former Soviet republics--Maps.
Natural gas--Commerce--Former Soviet republics--Europe--Maps.
Wall maps.
Princeton subject headings:
Europe--Maps.
Former Soviet republics--Maps.
Gas fields--Europe--Maps.
Gas fields--Former Soviet republics--Maps.
Gas industry--Europe--Maps.
Gas industry--Former Soviet republics--Maps.
Gas pipelines--Europe--Maps.
Gas pipelines--Former Soviet republics--Maps.
Liquefied natural gas industry--Europe--Maps.
Liquefied natural gas industry--Former Soviet republics--Maps.
Natural gas in submerged lands--Europe--Maps.
Natural gas in submerged lands--Former Soviet republics--Maps.
Natural gas--Commerce--Europe--Former Soviet republics--Maps.
Natural gas--Commerce--Former Soviet republics--Europe--Maps.
Russia (Federation)--Maps
Thematic maps.