The Bianchi Quarry is located at 4130 Santa Rosa Creek Road in Cambria, California and operates between the hours of 7 am to 4 pm. Crusher Sand Class II Base Class III Base 3/4″ Leachrock 1 1/2″ Rock 1″ to 3″ Rock Gabion Rock (6″ – 10″) 1/4 ton (Caltrans Class V) 1 to 6 ton Rip Rap 1 to 6 ton Rip Rap 1 to 6 ton Light Gold Rock Crushed Concrete