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| | Amazon, river, Peru and Brazil. The Columbia Encyclopedia, Sixth Edition. 2001-05 |
 | | Of the Amazons more than 500 tributaries, the chief ones are the Negro, Japurá (Caquetá), Putumayo (I&;), and Napo, which enter from the north; and the Javari, Juru&;, Purús, Madeira, Tapaj&, and Xingú rivers, which enter from the south. |
 | | The Amazon carries more water than any other river in the world. |
 | | Geologically, the Amazon basin is a sediment-filled structural depression between crystalline highlands of Brazil and Guiana. |
| www.bartleby.com /65/am/AmaznRiv.html (998 words) |
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