Columbia subject headings:
Rhône River (Switzerland and France)
Rhône River Valley (Switzerland and France)--Economic conditions.
Water resources development--Rhône River (Switzerland and France)--History.
Harvard subject headings:
Rhône River (Switzerland and France)
Rhône River Valley (Switzerland and France)--Economic conditions.
Water resources development--Rhône River (Switzerland and France)--History.
Princeton subject headings:
Rhône River (Switzerland and France)
Rhône River Valley (Switzerland and France)--Economic conditions.
Water resources development--Rhône River (Switzerland and France)--History.