not the case. References External links San Francisco Maritime National Historical Park Tugboats of the United Kingdom Ships built on the River Tyne History of Tyne and Wear Museum ships in San Francisco Historic American Engineering Record in San Francisco National Register of Historic Places in San Francisco Ships on the National Register of Historic Places in California 1914 ships Steam tugs Fisherman's Wharf, San Francisco Historic district contributing properties in California Ships and vessels on the National Archive of Historic Vessels 20th century in Tyne and Wear