Columbia subject headings:
Aqueducts--France--Nîmes.
Nîmes (France)--Antiquities, Roman.
Pont du Gard (France)
Harvard subject headings:
Aqueducts--Design and construction.
Nîmes (France)--Antiquities, Roman.
Pont du Gard (France)
Water-supply engineering--France--Nîmes--History.
Princeton subject headings:
Aqueducts--Design and construction.
Nîmes (France)--Antiquities, Roman.
Pont du Gard (France)
Water-supply engineering--France--Nîmes--History.