The Silvergate and Cabrillo, two of San Diego Bay’s working ferries, have been named to the National Register of Historic Places by the U.S. Department of the Interior. “The Silvergate and Cabrillo have carried millions of passengers across San Diego Bay and have stood as constant witnesses to the city’s growth and transformation. Hall and built by the Star & Crescent Boat Company specifically for passenger service on San Diego Bay. It is being historically recognized under National Register Criterion A, with a period of significance of 1964-1968 and also recognized under National Register Criterion B, for associated significance with the life of its designer Hall. The National Register of Historic Places is the official list of the nation’s historic places worthy of preservation and includes buildings, districts, objects and historical sites.