Keywords: Coast Battleship No. 4 - NH 73816.jpg Coast Battleship No 4 - NH 73816 tiff PD-USGov-Military-Navy NHHC images uploaded by Revent NH 73816 Images from the Naval History and Heritage Command NH 73816 USS Iowa BB-4 United States Navy on the Panama Canal Panama Canal Zone in the 1920s Pedro Miguel Locks |