River, eastern Argentina.
It flows through the Buenos Aires . Before 1800 it marked the frontier between areas colonized by Spain to the northeast and regions inhabited by indigenous Indians to the southwest.
River, eastern Argentina.
It flows through the Buenos Aires . Before 1800 it marked the frontier between areas colonized by Spain to the northeast and regions inhabited by indigenous Indians to the southwest.
Britannica English dictionary. Английский словарь Британика. 2012