Paranaíba (pərənīē´bə), river, c.500 mi (800 km) long, rising in W Minas Gerais state, Brazil. It flows generally westward through an agricultural region before joining the Rio Grande to form the Paraná. Diamonds are washed along its course. A hydroelectric project lies at nearby São Simão.
"Paranaíba." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 24, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/paranaiba
"Paranaíba." The Columbia Encyclopedia, 6th ed.. . Retrieved September 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/paranaiba