Curated OER
South American Lakes, Rivers, and Seas Map Quiz
In this online interactive geography quiz activity, students respond to 25 identification questions regarding South American lakes, rivers, bays, and seas.
University of Arizona
Plata River Basin Map
View a map of the Plata River basin, which is made up of the Parana-Paraguay and Uruguay River systems. Includes a short description of the region.
Encyclopedia Britannica
Encyclopedia Britannica: Parana River
This site provides some brief information about the Parana River.
Encyclopedia Britannica
Encyclopedia Britannica: Uruguay River
Basic information on the Uruguay River in South America.