The Barro Duro River is a river of Maranhão state in northeastern Brazil.

Barro Duro River
Map
Location
CountryBrazil
Physical characteristics
Source 
 • locationMaranhão state
MouthAtlantic Ocean
 • coordinates
2°51′S 42°15′W / 2.850°S 42.250°W / -2.850; -42.250

See also

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References

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