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the ridges and channels built on the banks of San Jorge (covering about 50,000 square kilometres (19,000 sq mi) and are the largest of the river networks of
Hispanic America) were the work of the pre-Columbian Zenú society, and that the San Jorge Valley was inhabited by a highly technological society can be seen as pottery and jewelry found on the banks of the river. Consisting of an extensive network of canals, hydraulic Prehispanic San Jorge River covers an area of 20,000 square kilometres (7,700 sq mi) and was built by an ethnic group that inhabited the area between the first and fourth centuries as the limited data on the subject. As this is an area that remains flooded for several months a year, it was necessary to create a drainage system to allow the permanent establishment of the population there.
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In 1966 an
American aviator sighted an extensive network of canals and artificial ridges along the San Jorge, finding that the "raking" was not natural but a work of human engineering. In 1986, the Colombian archaeologists Clemencia Plazas and Anna Maria Falchetti, defending this thesis, showed that
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region via the
Caribbean departments of Cordoba, Sucre and Bolivar. Its tributaries are the rivers San Pedro, Dirty and Ure. The river registers a minimum flow of 24 cubic metres per second (850 cu ft/s) and a maximum of 697 cubic metres per second (24,600 cu ft/s).
235:, while seeking to establish contact with the indigenous Zenú culture in the 1530s. At that time the river was known under the name of Xegú or Jegu and its banks flourished numerous villages of pre-Columbian society as Yape Zenú (now Ayapel, Córdoba) and Tacasuán (now
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Currently the San Jorge is one of the rivers with fish wealth, but its high pollution and deterioration was due largely to fishing with explosives and obtaining
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comprises 96,500 square kilometres (37,300 sq mi) in the southeast of Córdoba
Department, including the waters of
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The San Jorge was found by the
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219:alluvium of its waters by the method of flotation
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264:Rand McNally, The New International Atlas, 1993.
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58:Physical characteristics
289:. You can help Knowledge by
102: • location
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253:List of rivers of Colombia
142: • average
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116:368 km (229 mi)
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166:National Park Paramillo
81:Paramillo National Park
346:Colombia river stubs
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336:Rivers of Colombia
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37:, Córdoba
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43:Location
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209:Mompox
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