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Notes:
Title from item or accompanying materials.
Hull number: 222, 219
Navy assigned hull number: SS-43 (L-4), SS-40 (L-1)
Submarines, L-4 (at left) keel laid 3/23/1914, launched 4/3/1915, delivered 5/4/1916, scrapped 1922; L-1 (in middle), possible L-9 at right