[DOC] [TLE] What are the main tributaries of the Amazon River? | Reference.com [PAR] There are more than 17 major bodies of water that interact in one way or another 
with the Amazon... ... All of these rivers are at least 1,000 miles long. ... A: The 
Amazon River, which has its beginnings in the South American country of Peru,... [DOC] [TLE] Columbia River - Wikipedia [PAR] The Columbia River is the largest river in the Pacific Northwest region of North 
America. The river rises in the Rocky Mountains of British Columbia, Canada. It 
flows northwest and then south into the US state of Washington, then turns west 
to form most ..... Humans have inhabited the Columbia's watershed for more than 
15,000... [DOC] [TLE] Amazon River - Wikipedia [PAR] The Amazon River in South America is the largest river by discharge of water in 
the world, and ... The portion of the river's drainage basin in Brazil alone is larger 
than any other river's basin. ..... It has a series of major tributaries in Colombia, 
Ecuador and Peru, some of which flow into the Maran and Ucayali, and others
... [DOC] [TLE] List of rivers of Alaska - Wikipedia [PAR] This is a List of rivers in Alaska, which are at least fifth-order according to the 
Strahler method of stream classification, and an incomplete list of otherwise-
notable rivers and streams. Alaska has more than 12,000 rivers, and thousands 
more streams and ... This list is arranged by drainage basin, with respective 
tributaries ordered... [DOC] [TLE] List of longest rivers of the United States (by main stem) - Wikipedia [PAR] ... longest main-stem rivers in the United States, as well as 18 more of the rivers 
on this list. The Mississippi main stem is highlighted in dark blue. The main stems 
of 38 rivers in the United States are at least 500 miles (800 km) long. The main 
stem is "the primary downstream segment of a river, as contrasted to its tributaries
". ... Conflicting data from other sources, if the difference is greater than 10... [DOC] [TLE] Orinoco River | river, South America | Britannica.com [PAR] Orinoco River, Spanish Ro Orinoco, major river of South America that flows ... 
The Orinoco and its tributaries constitute the northernmost of South America's 
four major river .... The main channel of the Orinoco, known in the delta as the Ro 
Grande, ... occupying some 220,000 square miles; most of the land is less than 
1,000... [DOC] [TLE] Amazon River - Britannica.com [PAR] The greatest river of South America and the largest drainage system in the world 
in ... However, both the length of the Amazon and its ultimate source have been ... 
the main river and its tributaries, called vrzeas (floodplains), are subject to ... 
More than two-thirds of the basin is covered by an immense rainforest, which... [DOC] [TLE] Rivers in North America - North American Rivers, Major Rivers in ... [PAR] Hundreds of rivers and their tributaries slice across North America. ... It passes 
through numerous lakes and is known for the rapids along its path. ... The river 
has more than 30 electric power plants along its run, as well as dozens of dams 
... Canada, flowing south through the State of Washington, then forming the 
natural... [DOC] [TLE] river - National Geographic Society [PAR] Mar 14, 2011 ... It is also fed by other streams, called tributaries. ... The flowing water of a river has 
great power to carve and shape the landscape. ... Along its banks stands the city 
of London, a bustling urban area for more than a thousand years. ... The strength 
of the Amazon River in South America dwarfs all other rivers... [DOC] [TLE] Amazon River - New World Encyclopedia [PAR] The Amazon River of South America is the world's largest river and the lifeblood 
of the ... The area covered by the Amazon River and its tributaries more than 
triples ... of the high jungle called the Pongos, the Maran River flows about 
1,000 miles .... The bore is the reason the Amazon does not have a river delta; 
the

Question: This South American river has more than a thousand known tributaries
Answer: the Amazon