Columbia subject headings:
Harvard subject headings:
Fengning Manzu Zizhixian (China)--History.
Water resources development--China--Fengning Manzu Zizhixian--History.
Princeton subject headings:
Hydraulic engineering--China--Fengning Manzu Zizhixian.
Irrigation--China--Fengning Manzu Zizhixian--History.
Water resources development--China--Fengning Manzu Zizhixian--History.