| 21. | It is considered a symbol of the Gran Chaco region.
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| 22. | Natives of the Chaco region employ the bark to treat stomach problems.
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| 23. | The Chaco eagle lives in Argentina, Brazil, Paraguay and Bolivia.
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| 24. | Pe�aranda's performance in the Chaco War is debatable and controversial.
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| 25. | Its ruins now lie within Chaco Culture National Historical Park.
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| 26. | Fagan states that by 1140 " Chaco was finished ".
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| 27. | In Chaco the population of people living in small houses grew enormously.
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| 28. | From then on, Trenes Argentinos Operadora Ferroviaria, in Chaco Province.
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| 29. | It occurs in open habitats from the Chaco to the Interandean Valles.
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| 30. | He was also a singer of the Chaco War epics.
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