Columbia subject headings:
Harvard subject headings:
Dams--China--Yellow River.
Forced migration--China--Henan Sheng.
Forced migration--China--Shanxi Sheng.
Human beings--Migrations
Migration, Internal--China--Henan Sheng.
Migration, Internal--China--Shanxi Sheng.
Princeton subject headings:
Forced migration--China--Xiaolangdi Reservoir Region.
Hydraulic engineering--China--Xiaolangdi Reservoir Region.
Migration, Internal--China--Xiaolangdi Reservoir Region.
Xiaolangdi Reservoir Region (China)--Economic policy.