Rio de la Plata, Argentina 1961

4a edición 1960. Última corrección ... 1961.Relief shown by hachures. Depths shown by bathymetric isolines, bathymetric tints and soundings.; Includes tidal and conversion tables.; Selected lights shown in red and green.; "P. Carballo - Cartógrafo" -- lower right margin.; "9."Color1:100,00