Aqueducts were costly public works ... Depending on the local availability of materials, bricks or concrete were sometimes used for this purpose. The channel was usually waterproofed with a ...

The First Aqueduct has been in service for more than ... Construction activities will include excavation, saw cutting, welding, concrete placement, backfill and paving. More information about ...

She and her group, Friends of the Old Croton Aqueduct, walk up and down a patch of green space daily. For them, it's a small break from the concrete jungle that surrounds the walkway. "This is ...