Columbia subject headings:
Harvard subject headings:
Gas fields--Asia--Maps.
Maps
Oil and gas leases--Asia--Maps.
Oil fields--Asia--Maps.
Pipelines--Asia--Maps.
Princeton subject headings:
Gas fields--South Asia--Maps.
Maps.
Natural gas--South Asia--Maps.
Oil and gas leases--South Asia--Maps.
Oil and gas leases.
Oil fields--South Asia--Maps.
Petroleum--South Asia--Maps.
Petroleum.
Pipelines
Pipelines--South Asia--Maps.
South Asia--Maps.
Thematic maps.