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Apurímac , river, c.430 mi (690 km) long, rising in the Andes, S Peru. It flows generally northwest in a narrow valley. After joining the Mantaro River, the Apurímac becomes the Ene; after joining the Perené River, it becomes the Tambo. When it joins the Urubamba River, it becomes the Ucayali , which is one of the main headstreams of the Amazon . The headwaters of the Apurímac, which rise from glacial meltwater on Nevado Mismi, were determined by a 2000 expedition to the most distant from the mouth of the Amazon.
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Apurímac
Book article from: The Columbia Encyclopedia, Sixth Edition Apurímac , river, c.430 mi (690 km) long...After joining the Mantaro River, the Apurímac becomes the Ene; after joining the...the Amazon . The headwaters of the Apurímac, which rise from glacial meltwater... |
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Ucayali
Book article from: The Columbia Encyclopedia, Sixth Edition ...610 km) long, formed by the confluence of the Apurímac and Urubamba rivers, E Peru, and flowing generally...headstream of the Amazon River; the headwaters of the Apurímac are the most distant from the Amazon's mouth... |
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Urubamba
Book article from: The Columbia Encyclopedia, Sixth Edition ...river, c.450 mi (720 km) long, rising in the Andes Mts., S Peru, and flowing generally north to join the Apurímac River to form the Ucayali. The Urubamba is extensively used for irrigation, and its valley is heavily populated... |
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Marañón
Book article from: The Columbia Encyclopedia, Sixth Edition ...n to be the authentic headwater of the Amazon, but an expedition in 2000 determined that the headwaters of the Apurímac River (a tributary of the Ucayali) are the most distant from the Amazon's mouth. The Marañó... |
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