Charts. Cuba, South Coast of Cuba, W. I., Canal del Rosario to Bahia Siguanea, including south coast of Isla de Pinos, from surveys by U. S. S. Hannibal between 1925 and 1927 and U. S. S. Paducah in 1921; with inset, Canal del Rosario; chart 2618. Natural scale 1:145,399 at lat. 21° 20′.