Columbia subject headings:
Harvard subject headings:
Dams--China--Yangtze River Gorges
Flood control--China--Yangtze River Valley.
San Xia shui li shu niu (China)
Yangtze River Gorges (China)
Princeton subject headings:
Dams--China--Yangtze River.
Flood control--China--Yangtze River Valley.
San Xia shui li shu niu (China)
Yangtze River (China)
Yangtze River Gorges (China)