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Negro River (Chaco)
Rivers of Argentina
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The Negro River or Black River, from Spanish: Rio Negro, in Argentina, is formed by the juncture of the Guaycuru and Bermejito rivers. It then crosses the Chaco National Park and continues its path through Chaco Provinceto cross, near its end, the cities of Puerto Tirol, Resistencia and Barranqueras, where it finally reaches Barranqueras River, arm of the Parana River.
The river has changed it flatlands course several times along the years, leaving wetlands, meanders and lagoons. This took place because of three different factors; frequent draughts, sediments accumulation and human-made deviations of the riverbed. Sections of the river are currently contaminated by industrial waste, mainly from the leather tanning industry.
The Rio Negro has historical importance to Resistencia, capital of Chaco Province, since most immigrants that populated Chaco arrived to the city in boats that drove up-river; on February 2 every year, the Festival of the Canoes and Boats is celebrated, remembering the day of the arrival of the first vapour that brought Friulian pioneers to the province.
The river is also used for sports such as rowing, and its importance as a means for commercial transport, once the main connection with the rest of the province, has since been eclipsed by road and rail transport. The river's propensity to floods has been controlled significantly by the construction of a dam near Resistencia.
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Negro River (Chaco)