Columbia subject headings:
Water-supply--Algeria--History--19th century.
Water-supply--Algeria--History--20th century.
Harvard subject headings:
Algeria--Economic conditions.
Algeria--History--1830-1962.
Water resources development--Algeria.
Water-supply--Algeria--History.
Princeton subject headings:
Algeria--Economic conditions.
Algeria--History--1830-1962.
Algeria--Politics and government.
Water resources development--Political aspects--Algeria.
Water-supply--Algeria.