Columbia subject headings:
Acid pollution of rivers, lakes, etc.--China--Tibet Autonomous Region.
Mineral industries--China--Tibet Autonomous Region.
Natural areas--China--Tibet Autonomous Region.
Pollution.
Tourism--China--Tibet Autonomous Region.
Water--Pollution--China--Tibet Autonomous Region.
Harvard subject headings:
Acid pollution of rivers, lakes, etc.--China--Tibet Autonomous Region.
Mineral industries--China--Tibet Autonomous Region.
Mineral industries--Economic aspects--China--Tibet Autonomous Region.
Mineral industries--Social aspects--China--Tibet Autonomous Region.
Natural areas--China--Tibet Autonomous Region.
Pollution
Tourism--China--Tibet Autonomous Region.
Water--Pollution--China--Tibet Autonomous Region.
Princeton subject headings:
Acid pollution of rivers, lakes, etc.--China--Tibet Autonomous Region.
Mineral industries--China--Tibet Autonomous Region.
Mineral industries--Economic aspects--China--Tibet Autonomous Region.
Mineral industries--Social aspects--China--Tibet Autonomous Region.
Natural areas--China--Tibet Autonomous Region.
Pollution.
Tourism--China--Tibet Autonomous Region.
Water--Pollution--China--Tibet Autonomous Region.