仍然祭出IHO的海洋划分文件
4.1 RIO DE LA PLATA
The Rio de la Plata is a large river, flowing between the coasts of Uruguay and Argentina. Its limit with the South Atlantic Ocean is the following line linking the points whose co-ordinates are mentioned here under;
On the Southeast:
A line joining Punta1 del Este (34°58'S – 54°57'W) in Uruguay, southwestward to Punta Rasa del Cabo San Antonio (36°17'S – 56°47'W), in Argentina.
On the Northwest:
From Punta Rasa del Cabo San Antonio, following the coast of Argentina, northwestward to the parallel of Punta Gorda (Latitude 33°55'S) and continuing along the coast of Uruguay eastward, to Punta del Este (34°58'S – 54°57'W).
Note:
On the request of Uruguay and Argentina, the Rio de la Plata has been excluded from within the limits of the South Atlantic Ocean (See 4.)
