Columbia subject headings:
Harvard subject headings:
Flood control--Colorado River (Colo.-Mexico)
Water-supply, Agricultural--Mexico--Baja California (State)
Water-supply, Agricultural--Mexico--Sonora (State)
Princeton subject headings:
Flood control--Colorado River (Colo.-Mexico).
Flood control--Mexico--Baja California.
Flood control--Mexico--Sonora (State).
Water-supply, Agricultural--Mexico--Baja California.
Water-supply, Agricultural--Mexico--Sonora (State).