The largest complex of water wheels existed at Barbegal near Arles, where the site was fed by a channel from the main aqueduct feeding the town.
These include the cathedral, finished in 1744 and the main aqueduct finished at the end of the century.
The water was supplied from the springs in Boughton through underground lead pipes linked to the main aqueduct near the east gate.
Justen frowned as he looked up and recognized the stone arches of the main aqueduct.
The earthquake cracked the main aqueduct that carries Colorado River water from Mexicali to Tijuana, causing limitations on the water supply in Tijuana.
The main aqueduct bringing fresh water into the city was also cut.
It also was the terminus of one of the Mexico City's two main aqueducts, the Santa Fe, that brought in fresh potable water.
The main aqueducts in the city of Rome were the Aqua Claudia and the Aqua Marcia.
More leats and tanks can be found below the line of the main aqueduct, some of which are shown on the map of the site.
They surround the lip of the very large opencast and the tank shown at right is one which was built on the main aqueduct.