Concepción E. Castañeda
Contributor
Former Associate Professor of Spanish, Millikin University, Decatur, Illinois. Professor of Geography, University of Havana, 1960ā62.
Primary Contributions (1)
SĆ£o Francisco River, major river of eastern South America. With a length of 1,811 miles (2,914 kilometres), it is the fourth largest river system of the continent and the largest river wholly within Brazil. The SĆ£o Francisco has been called the āriver of national unity,ā for it long has served as aā¦
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