San Clemente’s man-made reef, likely the world’s largest, is getting bigger

It’s not your typical construction site.
A half mile offshore of Calafia State Beach in San Clemente, a bulldozer scoops quarry boulders off a barge and dumps them in the ocean. Nearby, divers examine placement of July’s rocks to make sure they match the blueprint. And on the elevated deck of a nearby barge, two biologists keep watch for sea lions and other mammals, calling a temporary halt to work when any swim into the construction area.The project will more than double the size of